Base | Representation |
---|---|
bin | 1110100100010… |
… | …10000000111101 |
3 | 22111221102001120 |
4 | 13102022000331 |
5 | 222240401000 |
6 | 20043101153 |
7 | 3012453405 |
oct | 722120075 |
9 | 274842046 |
10 | 122200125 |
11 | 62a84843 |
12 | 34b117b9 |
13 | 1c417488 |
14 | 1232d805 |
15 | aadc6a0 |
hex | 748a03d |
122200125 has 32 divisors (see below), whose sum is σ = 204372480. Its totient is φ = 64843200.
The previous prime is 122200087. The next prime is 122200157. The reversal of 122200125 is 521002221.
It is not a de Polignac number, because 122200125 - 26 = 122200061 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85164 + ... + 86586.
It is an arithmetic number, because the mean of its divisors is an integer number (6386640).
Almost surely, 2122200125 is an apocalyptic number.
122200125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122200125 is a deficient number, since it is larger than the sum of its proper divisors (82172355).
122200125 is a wasteful number, since it uses less digits than its factorization.
122200125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1670 (or 1660 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 15.
The square root of 122200125 is about 11054.4165381987. The cubic root of 122200125 is about 496.2386081513.
Adding to 122200125 its reverse (521002221), we get a palindrome (643202346).
The spelling of 122200125 in words is "one hundred twenty-two million, two hundred thousand, one hundred twenty-five".
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