50118121 has 4 divisors (see below), whose sum is σ = 51184512. Its totient is φ = 49051732.

The previous prime is 50118083. The next prime is 50118151. The reversal of 50118121 is 12181105.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50118121 - 2¹⁵ = 50085353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50118151) 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, 533125 + ... + 533218.

It is an arithmetic number, because the mean of its divisors is an integer number (12796128).

Almost surely, 2^50118121 is an apocalyptic number.

It is an amenable number.

50118121 is a deficient number, since it is larger than the sum of its proper divisors (1066391).

50118121 is a wasteful number, since it uses less digits than its factorization.

50118121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066390.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 50118121 is about 7079.4153007152. The cubic root of 50118121 is about 368.6930293678.

Adding to 50118121 its reverse (12181105), we get a palindrome (62299226).

The spelling of 50118121 in words is "fifty million, one hundred eighteen thousand, one hundred twenty-one".