121204051 has 2 divisors, whose sum is σ = 121204052. Its totient is φ = 121204050.

The previous prime is 121204019. The next prime is 121204063. The reversal of 121204051 is 150402121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121204051 - 2⁵ = 121204019 is a prime.

It is not a weakly prime, because it can be changed into another prime (121204001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60602025 + 60602026.

It is an arithmetic number, because the mean of its divisors is an integer number (60602026).

Almost surely, 2^121204051 is an apocalyptic number.

121204051 is a deficient number, since it is larger than the sum of its proper divisors (1).

121204051 is an equidigital number, since it uses as much as digits as its factorization.

121204051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 121204051 is about 11009.2711384542. The cubic root of 121204051 is about 494.8866196124.

Adding to 121204051 its reverse (150402121), we get a palindrome (271606172).

The spelling of 121204051 in words is "one hundred twenty-one million, two hundred four thousand, fifty-one".