121517422 has 24 divisors (see below), whose sum is σ = 198351504. Its totient is φ = 55808064.

The previous prime is 121517387. The next prime is 121517467. The reversal of 121517422 is 224715121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77983 + ... + 79525.

It is an arithmetic number, because the mean of its divisors is an integer number (8264646).

Almost surely, 2^121517422 is an apocalyptic number.

121517422 is a deficient number, since it is larger than the sum of its proper divisors (76834082).

121517422 is a wasteful number, since it uses less digits than its factorization.

121517422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1791 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 121517422 is about 11023.4940921652. The cubic root of 121517422 is about 495.3127595264.

The spelling of 121517422 in words is "one hundred twenty-one million, five hundred seventeen thousand, four hundred twenty-two".