121322572 has 12 divisors (see below), whose sum is σ = 242645200. Its totient is φ = 51995376.

The previous prime is 121322549. The next prime is 121322587. The reversal of 121322572 is 275223121.

121322572 is an admirable 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, 2166447 + ... + 2166502.

Almost surely, 2^121322572 is an apocalyptic number.

It is an amenable number.

121322572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121322572 is a wasteful number, since it uses less digits than its factorization.

121322572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332960 (or 4332958 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 121322572 is about 11014.6526045990. The cubic root of 121322572 is about 495.0478775579.

Adding to 121322572 its reverse (275223121), we get a palindrome (396545693).

The spelling of 121322572 in words is "one hundred twenty-one million, three hundred twenty-two thousand, five hundred seventy-two".