125033631 has 8 divisors (see below), whose sum is σ = 166763184. Its totient is φ = 83329920.

The previous prime is 125033617. The next prime is 125033639. The reversal of 125033631 is 136330521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125033631 - 2⁵ = 125033599 is a prime.

It is a super-2 number, since 2×125033631² = 31266817762088322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125033639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15441 + ... + 22101.

It is an arithmetic number, because the mean of its divisors is an integer number (20845398).

Almost surely, 2^125033631 is an apocalyptic number.

125033631 is a deficient number, since it is larger than the sum of its proper divisors (41729553).

125033631 is an equidigital number, since it uses as much as digits as its factorization.

125033631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12921.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 125033631 is about 11181.8438103919. The cubic root of 125033631 is about 500.0448373124.

The spelling of 125033631 in words is "one hundred twenty-five million, thirty-three thousand, six hundred thirty-one".