125928450 has 90 divisors (see below), whose sum is σ = 353706249. Its totient is φ = 32120880.

The previous prime is 125928419. The next prime is 125928487. The reversal of 125928450 is 54829521.

125928450 is a `hidden beast` number, since 12 + 592 + 8 + 4 + 50 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 123409881 + 2518569 = 11109^2 + 1587^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7935.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5475139 + ... + 5475161.

Almost surely, 2^125928450 is an apocalyptic number.

125928450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125928450

125928450 is an abundant number, since it is smaller than the sum of its proper divisors (227777799).

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

125928450 is an frugal number, since it uses more digits than its factorization.

125928450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 125928450 is about 11221.7846174305. The cubic root of 125928450 is about 501.2348809605.

Multiplying 125928450 by its product of nonzero digits (28800), we get a 4-th power (3626739360000 = 1380⁴).

The spelling of 125928450 in words is "one hundred twenty-five million, nine hundred twenty-eight thousand, four hundred fifty".