125064631 has 8 divisors (see below), whose sum is σ = 139391280. Its totient is φ = 111512448.

The previous prime is 125064623. The next prime is 125064661. The reversal of 125064631 is 136460521.

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

It is a cyclic number.

It is not a de Polignac number, because 125064631 - 2³ = 125064623 is a prime.

It is a super-2 number, since 2×125064631² = 31282323854332322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125064631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125064661) by changing a digit.

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, 193276 + ... + 193921.

It is an arithmetic number, because the mean of its divisors is an integer number (17423910).

Almost surely, 2^125064631 is an apocalyptic number.

125064631 is a deficient number, since it is larger than the sum of its proper divisors (14326649).

125064631 is a wasteful number, since it uses less digits than its factorization.

125064631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387233.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 125064631 is about 11183.2299001675. The cubic root of 125064631 is about 500.0861598188.

The spelling of 125064631 in words is "one hundred twenty-five million, sixty-four thousand, six hundred thirty-one".