125452642164 has 24 divisors (see below), whose sum is σ = 292729039680. Its totient is φ = 41816660544.

The previous prime is 125452642153. The next prime is 125452642193. The reversal of 125452642164 is 461246254521.

125452642164 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739432 + ... + 893120.

It is an arithmetic number, because the mean of its divisors is an integer number (12197043320).

Almost surely, 2^125452642164 is an apocalyptic number.

It is an amenable number.

125452642164 is an abundant number, since it is smaller than the sum of its proper divisors (167276397516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125452642164 is a wasteful number, since it uses less digits than its factorization.

125452642164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221719 (or 221717 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

Adding to 125452642164 its reverse (461246254521), we get a palindrome (586698896685).

The spelling of 125452642164 in words is "one hundred twenty-five billion, four hundred fifty-two million, six hundred forty-two thousand, one hundred sixty-four".