125917051 has 8 divisors (see below), whose sum is σ = 136287200. Its totient is φ = 115644672.

The previous prime is 125917037. The next prime is 125917063. The reversal of 125917051 is 150719521.

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

It is not a de Polignac number, because 125917051 - 2¹⁹ = 125392763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125917021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21750 + ... + 26923.

It is an arithmetic number, because the mean of its divisors is an integer number (17035900).

Almost surely, 2^125917051 is an apocalyptic number.

125917051 is a deficient number, since it is larger than the sum of its proper divisors (10370149).

125917051 is a wasteful number, since it uses less digits than its factorization.

125917051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48885.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 125917051 is about 11221.2767098936. The cubic root of 125917051 is about 501.2197566345.

The spelling of 125917051 in words is "one hundred twenty-five million, nine hundred seventeen thousand, fifty-one".