125040156 has 24 divisors (see below), whose sum is σ = 292024320. Its totient is φ = 41642352.

The previous prime is 125040133. The next prime is 125040187. The reversal of 125040156 is 651040521.

It is a super-2 number, since 2×125040156² = 31270081225008672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11275 + ... + 19421.

It is an arithmetic number, because the mean of its divisors is an integer number (12167680).

Almost surely, 2^125040156 is an apocalyptic number.

It is an amenable number.

125040156 is an abundant number, since it is smaller than the sum of its proper divisors (166984164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125040156 is a wasteful number, since it uses less digits than its factorization.

125040156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9431 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 125040156 is about 11182.1355742094. The cubic root of 125040156 is about 500.0535356010.

Adding to 125040156 its reverse (651040521), we get a palindrome (776080677).

The spelling of 125040156 in words is "one hundred twenty-five million, forty thousand, one hundred fifty-six".