| Base | Representation |
|---|---|
| bin | 1110111011011… |
| … | …00010111111000 |
| 3 | 22201122001122020 |
| 4 | 13131230113320 |
| 5 | 224024140230 |
| 6 | 20231554440 |
| 7 | 3050250555 |
| oct | 735542770 |
| 9 | 281561566 |
| 10 | 125224440 |
| 11 | 6475aa80 |
| 12 | 35b2ba20 |
| 13 | 1cc35c03 |
| 14 | 128b9a2c |
| 15 | aed8810 |
| hex | 776c5f8 |
125224440 has 128 divisors (see below), whose sum is σ = 431481600. Its totient is φ = 28753920.
The previous prime is 125224433. The next prime is 125224441. The reversal of 125224440 is 44422521.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 125224440.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (125224441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22584 + ... + 27576.
It is an arithmetic number, because the mean of its divisors is an integer number (3370950).
Almost surely, 2125224440 is an apocalyptic number.
125224440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 125224440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215740800).
125224440 is an abundant number, since it is smaller than the sum of its proper divisors (306257160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125224440 is a wasteful number, since it uses less digits than its factorization.
125224440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5037 (or 5033 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 125224440 is about 11190.3726479506. The cubic root of 125224440 is about 500.2990744067.
Adding to 125224440 its reverse (44422521), we get a palindrome (169646961).
The spelling of 125224440 in words is "one hundred twenty-five million, two hundred twenty-four thousand, four hundred forty".
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