125402620664 has 32 divisors (see below), whose sum is σ = 240895650240. Its totient is φ = 61164172800.

The previous prime is 125402620657. The next prime is 125402620669. The reversal of 125402620664 is 466026204521.

125402620664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125402620669) 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, 3176084 + ... + 3215324.

It is an arithmetic number, because the mean of its divisors is an integer number (7527989070).

Almost surely, 2^125402620664 is an apocalyptic number.

It is an amenable number.

125402620664 is a deficient number, since it is larger than the sum of its proper divisors (115493029576).

125402620664 is a wasteful number, since it uses less digits than its factorization.

125402620664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49031 (or 49027 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 125402620664 in words is "one hundred twenty-five billion, four hundred two million, six hundred twenty thousand, six hundred sixty-four".