125032831 has 16 divisors (see below), whose sum is σ = 159206400. Its totient is φ = 95352480.

The previous prime is 125032823. The next prime is 125032837. The reversal of 125032831 is 138230521.

It is a cyclic number.

It is not a de Polignac number, because 125032831 - 2³ = 125032823 is a prime.

It is a super-2 number, since 2×125032831² = 31266417655749122, 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 = 125032796 and 125032805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125032837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13656 + ... + 20893.

It is an arithmetic number, because the mean of its divisors is an integer number (9950400).

Almost surely, 2^125032831 is an apocalyptic number.

125032831 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

125032831 is a deficient number, since it is larger than the sum of its proper divisors (34173569).

125032831 is a wasteful number, since it uses less digits than its factorization.

125032831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34614.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 125032831 is about 11181.8080380590. The cubic root of 125032831 is about 500.0437708348.

The spelling of 125032831 in words is "one hundred twenty-five million, thirty-two thousand, eight hundred thirty-one".