125471920 has 40 divisors (see below), whose sum is σ = 333398304. Its totient is φ = 43018752.

The previous prime is 125471903. The next prime is 125471959. The reversal of 125471920 is 29174521.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111469 + ... + 112588.

Almost surely, 2^125471920 is an apocalyptic number.

125471920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125471920 is an abundant number, since it is smaller than the sum of its proper divisors (207926384).

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

125471920 is a wasteful number, since it uses less digits than its factorization.

125471920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224077 (or 224071 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 125471920 is about 11201.4249093586. The cubic root of 125471920 is about 500.6284364710.

The spelling of 125471920 in words is "one hundred twenty-five million, four hundred seventy-one thousand, nine hundred twenty".