125246531 has 12 divisors (see below), whose sum is σ = 133802880. Its totient is φ = 117210240.

The previous prime is 125246519. The next prime is 125246533. The reversal of 125246531 is 135642521.

It is not a de Polignac number, because 125246531 - 2⁶ = 125246467 is a prime.

It is a super-2 number, since 2×125246531² = 31373387055067922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125246494 and 125246503.

It is not an unprimeable number, because it can be changed into a prime (125246533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54065 + ... + 56333.

It is an arithmetic number, because the mean of its divisors is an integer number (11150240).

Almost surely, 2^125246531 is an apocalyptic number.

125246531 is a deficient number, since it is larger than the sum of its proper divisors (8556349).

125246531 is a wasteful number, since it uses less digits than its factorization.

125246531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2477 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 125246531 is about 11191.3596582363. The cubic root of 125246531 is about 500.3284921386.

The spelling of 125246531 in words is "one hundred twenty-five million, two hundred forty-six thousand, five hundred thirty-one".