Base | Representation |
---|---|
bin | 1110100011101… |
… | …11101101000101 |
3 | 22111210121011210 |
4 | 13101313231011 |
5 | 222231001000 |
6 | 20041322033 |
7 | 3012021633 |
oct | 721675505 |
9 | 274717153 |
10 | 122125125 |
11 | 62a33461 |
12 | 34a96319 |
13 | 1c3bc2b5 |
14 | 12310353 |
15 | aac5350 |
hex | 7477b45 |
122125125 has 16 divisors (see below), whose sum is σ = 203216832. Its totient is φ = 65133200.
The previous prime is 122125109. The next prime is 122125153. The reversal of 122125125 is 521521221.
It is not a de Polignac number, because 122125125 - 24 = 122125109 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162459 + ... + 163208.
It is an arithmetic number, because the mean of its divisors is an integer number (12701052).
Almost surely, 2122125125 is an apocalyptic number.
122125125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
122125125 is a deficient number, since it is larger than the sum of its proper divisors (81091707).
122125125 is an equidigital number, since it uses as much as digits as its factorization.
122125125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 325685 (or 325675 counting only the distinct ones).
The product of its digits is 400, while the sum is 21.
The square root of 122125125 is about 11051.0237082363. The cubic root of 122125125 is about 496.1370656683.
Adding to 122125125 its reverse (521521221), we get a palindrome (643646346).
The spelling of 122125125 in words is "one hundred twenty-two million, one hundred twenty-five thousand, one hundred twenty-five".
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