125063813257 has 8 divisors (see below), whose sum is σ = 128494363712. Its totient is φ = 121635918000.

The previous prime is 125063813219. The next prime is 125063813261. The reversal of 125063813257 is 752318360521.

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 125063813257 - 2¹⁵ = 125063780489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125063813057) 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, 568119 + ... + 756892.

It is an arithmetic number, because the mean of its divisors is an integer number (16061795464).

Almost surely, 2^125063813257 is an apocalyptic number.

It is an amenable number.

125063813257 is a deficient number, since it is larger than the sum of its proper divisors (3430550455).

125063813257 is a wasteful number, since it uses less digits than its factorization.

125063813257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327599.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 125063813257 in words is "one hundred twenty-five billion, sixty-three million, eight hundred thirteen thousand, two hundred fifty-seven".