125123210404 has 12 divisors (see below), whose sum is σ = 219023771904. Its totient is φ = 62544989864.

The previous prime is 125123210389. The next prime is 125123210477. The reversal of 125123210404 is 404012321521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4136884 + ... + 4167019.

It is an arithmetic number, because the mean of its divisors is an integer number (18251980992).

Almost surely, 2^125123210404 is an apocalyptic number.

It is an amenable number.

125123210404 is a deficient number, since it is larger than the sum of its proper divisors (93900561500).

125123210404 is a wasteful number, since it uses less digits than its factorization.

125123210404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307674 (or 8307672 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 125123210404 its reverse (404012321521), we get a palindrome (529135531925).

The spelling of 125123210404 in words is "one hundred twenty-five billion, one hundred twenty-three million, two hundred ten thousand, four hundred four".