125310051 has 16 divisors (see below), whose sum is σ = 185903520. Its totient is φ = 83423520.

The previous prime is 125310019. The next prime is 125310067. The reversal of 125310051 is 150013521.

It is not a de Polignac number, because 125310051 - 2⁵ = 125310019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125310001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19341 + ... + 24993.

It is an arithmetic number, because the mean of its divisors is an integer number (11618970).

Almost surely, 2^125310051 is an apocalyptic number.

125310051 is a deficient number, since it is larger than the sum of its proper divisors (60593469).

125310051 is an equidigital number, since it uses as much as digits as its factorization.

125310051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6483 (or 6477 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 125310051 is about 11194.1972021222. The cubic root of 125310051 is about 500.4130600022.

Adding to 125310051 its reverse (150013521), we get a palindrome (275323572).

The spelling of 125310051 in words is "one hundred twenty-five million, three hundred ten thousand, fifty-one".