125012051 has 4 divisors (see below), whose sum is σ = 127919352. Its totient is φ = 122104752.

The previous prime is 125012047. The next prime is 125012087. The reversal of 125012051 is 150210521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125012051 - 2² = 125012047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453586 + ... + 1453671.

It is an arithmetic number, because the mean of its divisors is an integer number (31979838).

Almost surely, 2^125012051 is an apocalyptic number.

125012051 is a deficient number, since it is larger than the sum of its proper divisors (2907301).

125012051 is an equidigital number, since it uses as much as digits as its factorization.

125012051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907300.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 125012051 is about 11180.8788116140. The cubic root of 125012051 is about 500.0160674837.

Adding to 125012051 its reverse (150210521), we get a palindrome (275222572).

The spelling of 125012051 in words is "one hundred twenty-five million, twelve thousand, fifty-one".