121062172 has 24 divisors (see below), whose sum is σ = 264136320. Its totient is φ = 47166960.

The previous prime is 121062169. The next prime is 121062173. The reversal of 121062172 is 271260121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121062173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196222 + ... + 196837.

It is an arithmetic number, because the mean of its divisors is an integer number (11005680).

Almost surely, 2^121062172 is an apocalyptic number.

It is an amenable number.

121062172 is an abundant number, since it is smaller than the sum of its proper divisors (143074148).

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

121062172 is a wasteful number, since it uses less digits than its factorization.

121062172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393081 (or 393079 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 121062172 is about 11002.8256370807. The cubic root of 121062172 is about 494.6934428086.

The spelling of 121062172 in words is "one hundred twenty-one million, sixty-two thousand, one hundred seventy-two".