125430052 has 36 divisors (see below), whose sum is σ = 242302060. Its totient is φ = 56770560.

The previous prime is 125430049. The next prime is 125430059. The reversal of 125430052 is 250034521.

It can be written as a sum of positive squares in 2 ways, for example, as 41267776 + 84162276 = 6424^2 + 9174^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125430059) 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, 162724 + ... + 163492.

Almost surely, 2^125430052 is an apocalyptic number.

It is an amenable number.

125430052 is a deficient number, since it is larger than the sum of its proper divisors (116872008).

125430052 is a wasteful number, since it uses less digits than its factorization.

125430052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 125430052 is about 11199.5558840518. Note that the first 3 decimals coincide. The cubic root of 125430052 is about 500.5727463394.

Adding to 125430052 its reverse (250034521), we get a palindrome (375464573).

The spelling of 125430052 in words is "one hundred twenty-five million, four hundred thirty thousand, fifty-two".