121274051 has 2 divisors, whose sum is σ = 121274052. Its totient is φ = 121274050.

The previous prime is 121274003. The next prime is 121274057. The reversal of 121274051 is 150472121.

It is a strong prime.

It is an emirp because it is prime and its reverse (150472121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121274051 - 2¹⁰ = 121273027 is a prime.

It is not a weakly prime, because it can be changed into another prime (121274057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60637025 + 60637026.

It is an arithmetic number, because the mean of its divisors is an integer number (60637026).

Almost surely, 2^121274051 is an apocalyptic number.

121274051 is a deficient number, since it is larger than the sum of its proper divisors (1).

121274051 is an equidigital number, since it uses as much as digits as its factorization.

121274051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 121274051 is about 11012.4498182739. The cubic root of 121274051 is about 494.9818732947.

The spelling of 121274051 in words is "one hundred twenty-one million, two hundred seventy-four thousand, fifty-one".