125115530 has 8 divisors (see below), whose sum is σ = 225207972. Its totient is φ = 50046208.

The previous prime is 125115527. The next prime is 125115553. The reversal of 125115530 is 35511521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 117700801 + 7414729 = 10849^2 + 2723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 125115496 and 125115505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6255767 + ... + 6255786.

Almost surely, 2^125115530 is an apocalyptic number.

125115530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125115530 is a deficient number, since it is larger than the sum of its proper divisors (100092442).

125115530 is a wasteful number, since it uses less digits than its factorization.

125115530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511560.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 125115530 is about 11185.5053529110. The cubic root of 125115530 is about 500.1539925677.

The spelling of 125115530 in words is "one hundred twenty-five million, one hundred fifteen thousand, five hundred thirty".