121615022 has 8 divisors (see below), whose sum is σ = 183150072. Its totient is φ = 60565000.

The previous prime is 121615001. The next prime is 121615031. The reversal of 121615022 is 220516121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121614985 and 121615003.

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, 120629 + ... + 121632.

It is an arithmetic number, because the mean of its divisors is an integer number (22893759).

Almost surely, 2^121615022 is an apocalyptic number.

121615022 is a deficient number, since it is larger than the sum of its proper divisors (61535050).

121615022 is a wasteful number, since it uses less digits than its factorization.

121615022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242514.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 121615022 is about 11027.9201121517. The cubic root of 121615022 is about 495.4453319806.

The spelling of 121615022 in words is "one hundred twenty-one million, six hundred fifteen thousand, twenty-two".