121422951 has 36 divisors (see below), whose sum is σ = 192109008. Its totient is φ = 73861632.

The previous prime is 121422943. The next prime is 121422997. The reversal of 121422951 is 159224121.

It is not a de Polignac number, because 121422951 - 2³ = 121422943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121422151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 147126 + ... + 147948.

Almost surely, 2^121422951 is an apocalyptic number.

121422951 is a deficient number, since it is larger than the sum of its proper divisors (70686057).

121422951 is a wasteful number, since it uses less digits than its factorization.

121422951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 936 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 121422951 is about 11019.2082746448. The cubic root of 121422951 is about 495.1843696431.

The spelling of 121422951 in words is "one hundred twenty-one million, four hundred twenty-two thousand, nine hundred fifty-one".