125430053 has 6 divisors (see below), whose sum is σ = 145908486. Its totient is φ = 107511432.

The previous prime is 125430049. The next prime is 125430059. The reversal of 125430053 is 350034521.

It can be written as a sum of positive squares in only one way, i.e., 111872929 + 13557124 = 10577^2 + 3682^2 .

It is not a de Polignac number, because 125430053 - 2² = 125430049 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 1279850 + ... + 1279947.

It is an arithmetic number, because the mean of its divisors is an integer number (24318081).

Almost surely, 2^125430053 is an apocalyptic number.

It is an amenable number.

125430053 is a deficient number, since it is larger than the sum of its proper divisors (20478433).

125430053 is an equidigital number, since it uses as much as digits as its factorization.

125430053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559811 (or 2559804 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 125430053 is about 11199.5559286965. Note that the first 3 decimals coincide. The cubic root of 125430053 is about 500.5727476697.

Adding to 125430053 its reverse (350034521), we get a palindrome (475464574).

The spelling of 125430053 in words is "one hundred twenty-five million, four hundred thirty thousand, fifty-three".