121050051 has 16 divisors (see below), whose sum is σ = 169296384. Its totient is φ = 76845024.

The previous prime is 121050043. The next prime is 121050073. The reversal of 121050051 is 150050121.

It is not a de Polignac number, because 121050051 - 2³ = 121050043 is a prime.

It is a super-2 number, since 2×121050051² = 29306229694205202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121050051.

It is not an unprimeable number, because it can be changed into a prime (121050001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6385 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (10581024).

Almost surely, 2^121050051 is an apocalyptic number.

121050051 is a deficient number, since it is larger than the sum of its proper divisors (48246333).

121050051 is a wasteful number, since it uses less digits than its factorization.

121050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23290.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 121050051 is about 11002.2748102381. The cubic root of 121050051 is about 494.6769323406.

The spelling of 121050051 in words is "one hundred twenty-one million, fifty thousand, fifty-one".