125725622840 has 32 divisors (see below), whose sum is σ = 287677278000. Its totient is φ = 49437871104.

The previous prime is 125725622837. The next prime is 125725622851. The reversal of 125725622840 is 48226527521.

It is a junction number, because it is equal to n+sod(n) for n = 125725622791 and 125725622800.

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 7 ways as a sum of consecutive naturals, for example, 26634425 + ... + 26639144.

Almost surely, 2^125725622840 is an apocalyptic number.

125725622840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125725622840 is an abundant number, since it is smaller than the sum of its proper divisors (161951655160).

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

125725622840 is a wasteful number, since it uses less digits than its factorization.

125725622840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53273639 (or 53273635 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 125725622840 in words is "one hundred twenty-five billion, seven hundred twenty-five million, six hundred twenty-two thousand, eight hundred forty".