125105161204 has 96 divisors (see below), whose sum is σ = 234519183360. Its totient is φ = 58299964800.

The previous prime is 125105161171. The next prime is 125105161229. The reversal of 125105161204 is 402161501521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105395499 + ... + 105396685.

It is an arithmetic number, because the mean of its divisors is an integer number (2442908160).

Almost surely, 2^125105161204 is an apocalyptic number.

It is an amenable number.

125105161204 is a deficient number, since it is larger than the sum of its proper divisors (109414022156).

125105161204 is a wasteful number, since it uses less digits than its factorization.

125105161204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 125105161204 its reverse (402161501521), we get a palindrome (527266662725).

The spelling of 125105161204 in words is "one hundred twenty-five billion, one hundred five million, one hundred sixty-one thousand, two hundred four".