125043928057 has 4 divisors (see below), whose sum is σ = 126257946880. Its totient is φ = 123829909236.

The previous prime is 125043928021. The next prime is 125043928063. The reversal of 125043928057 is 750829340521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125043928057 - 2¹¹ = 125043926009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125043927998 and 125043928016.

It is not an unprimeable number, because it can be changed into a prime (125043923057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607009257 + ... + 607009462.

It is an arithmetic number, because the mean of its divisors is an integer number (31564486720).

Almost surely, 2^125043928057 is an apocalyptic number.

It is an amenable number.

125043928057 is a deficient number, since it is larger than the sum of its proper divisors (1214018823).

125043928057 is a wasteful number, since it uses less digits than its factorization.

125043928057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214018822.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 125043928057 in words is "one hundred twenty-five billion, forty-three million, nine hundred twenty-eight thousand, fifty-seven".