125472420 has 36 divisors (see below), whose sum is σ = 380600220. Its totient is φ = 33459264.

The previous prime is 125472367. The next prime is 125472421. The reversal of 125472420 is 24274521.

It can be written as a sum of positive squares in 2 ways, for example, as 74235456 + 51236964 = 8616^2 + 7158^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (125472421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348355 + ... + 348714.

Almost surely, 2^125472420 is an apocalyptic number.

125472420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125472420 is an abundant number, since it is smaller than the sum of its proper divisors (255127800).

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

125472420 is a wasteful number, since it uses less digits than its factorization.

125472420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697084 (or 697079 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 125472420 is about 11201.4472279255. The cubic root of 125472420 is about 500.6291014641.

The spelling of 125472420 in words is "one hundred twenty-five million, four hundred seventy-two thousand, four hundred twenty".