125428891392 has 180 divisors, whose sum is σ = 427436219056. Its totient is φ = 35836784640.

The previous prime is 125428891349. The next prime is 125428891451. The reversal of 125428891392 is 293198824521.

125428891392 is a `hidden beast` number, since 1 + 2 + 5 + 428 + 89 + 139 + 2 = 666.

It is a super-2 number, since 2×125428891392² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 286909 + ... + 577212.

Almost surely, 2^125428891392 is an apocalyptic number.

125428891392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125428891392 is an abundant number, since it is smaller than the sum of its proper divisors (302007327664).

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

125428891392 is an frugal number, since it uses more digits than its factorization.

125428891392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864156 (or 864133 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The spelling of 125428891392 in words is "one hundred twenty-five billion, four hundred twenty-eight million, eight hundred ninety-one thousand, three hundred ninety-two".