121422051 has 16 divisors (see below), whose sum is σ = 180103200. Its totient is φ = 80849664.

The previous prime is 121422031. The next prime is 121422061. The reversal of 121422051 is 150224121.

It is not a de Polignac number, because 121422051 - 2⁵ = 121422019 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (121422031) 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, 25015 + ... + 29471.

It is an arithmetic number, because the mean of its divisors is an integer number (11256450).

Almost surely, 2^121422051 is an apocalyptic number.

121422051 is a deficient number, since it is larger than the sum of its proper divisors (58681149).

121422051 is a wasteful number, since it uses less digits than its factorization.

121422051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121422051 is about 11019.1674367894. The cubic root of 121422051 is about 495.1831461867.

Adding to 121422051 its reverse (150224121), we get a palindrome (271646172).

The spelling of 121422051 in words is "one hundred twenty-one million, four hundred twenty-two thousand, fifty-one".