121973922 has 48 divisors (see below), whose sum is σ = 315169920. Its totient is φ = 33333696.

The previous prime is 121973897. The next prime is 121973959. The reversal of 121973922 is 229379121.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18147 + ... + 23942.

It is an arithmetic number, because the mean of its divisors is an integer number (6566040).

Almost surely, 2^121973922 is an apocalyptic number.

121973922 is an abundant number, since it is smaller than the sum of its proper divisors (193195998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121973922 is a wasteful number, since it uses less digits than its factorization.

121973922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42127 (or 42124 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 121973922 is about 11044.1804585039. The cubic root of 121973922 is about 495.9322254994.

The spelling of 121973922 in words is "one hundred twenty-one million, nine hundred seventy-three thousand, nine hundred twenty-two".