121522196 has 12 divisors (see below), whose sum is σ = 217851060. Its totient is φ = 59279040.

The previous prime is 121522189. The next prime is 121522211. The reversal of 121522196 is 691225121.

It can be written as a sum of positive squares in 2 ways, for example, as 4579600 + 116942596 = 2140^2 + 10814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370331 + ... + 370658.

It is an arithmetic number, because the mean of its divisors is an integer number (18154255).

Almost surely, 2^121522196 is an apocalyptic number.

It is an amenable number.

121522196 is a deficient number, since it is larger than the sum of its proper divisors (96328864).

121522196 is a wasteful number, since it uses less digits than its factorization.

121522196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741034 (or 741032 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 121522196 is about 11023.7106275519. The cubic root of 121522196 is about 495.3192458176.

The spelling of 121522196 in words is "one hundred twenty-one million, five hundred twenty-two thousand, one hundred ninety-six".