121052451 has 16 divisors (see below), whose sum is σ = 176417024. Its totient is φ = 73380384.

The previous prime is 121052447. The next prime is 121052453. The reversal of 121052451 is 154250121.

It is not a de Polignac number, because 121052451 - 2² = 121052447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121052453) 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, 20551 + ... + 25776.

It is an arithmetic number, because the mean of its divisors is an integer number (11026064).

Almost surely, 2^121052451 is an apocalyptic number.

121052451 is a deficient number, since it is larger than the sum of its proper divisors (55364573).

121052451 is a wasteful number, since it uses less digits than its factorization.

121052451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46410.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 121052451 is about 11002.3838780512. The cubic root of 121052451 is about 494.6802015579.

The spelling of 121052451 in words is "one hundred twenty-one million, fifty-two thousand, four hundred fifty-one".