50125121 has 8 divisors (see below), whose sum is σ = 52453224. Its totient is φ = 47848320.

The previous prime is 50125099. The next prime is 50125133. The reversal of 50125121 is 12152105.

It can be written as a sum of positive squares in 4 ways, for example, as 31080625 + 19044496 = 5575^2 + 4364^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50125121 - 2²² = 45930817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50125121.

It is not an unprimeable number, because it can be changed into a prime (50125181) 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, 10820 + ... + 14741.

It is an arithmetic number, because the mean of its divisors is an integer number (6556653).

Almost surely, 2^50125121 is an apocalyptic number.

It is an amenable number.

50125121 is a deficient number, since it is larger than the sum of its proper divisors (2328103).

50125121 is a wasteful number, since it uses less digits than its factorization.

50125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25651.

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

The square root of 50125121 is about 7079.9096745651. The cubic root of 50125121 is about 368.7101936922.

Adding to 50125121 its reverse (12152105), we get a palindrome (62277226).

The spelling of 50125121 in words is "fifty million, one hundred twenty-five thousand, one hundred twenty-one".