125421365804 has 48 divisors (see below), whose sum is σ = 268373656320. Its totient is φ = 50088144960.

The previous prime is 125421365767. The next prime is 125421365813. The reversal of 125421365804 is 408563124521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1899962 + ... + 1964865.

It is an arithmetic number, because the mean of its divisors is an integer number (5591117840).

Almost surely, 2^125421365804 is an apocalyptic number.

125421365804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125421365804 is an abundant number, since it is smaller than the sum of its proper divisors (142952290516).

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

125421365804 is a wasteful number, since it uses less digits than its factorization.

125421365804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864918 (or 3864916 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 125421365804 in words is "one hundred twenty-five billion, four hundred twenty-one million, three hundred sixty-five thousand, eight hundred four".