121615036 has 12 divisors (see below), whose sum is σ = 213390520. Its totient is φ = 60646320.

The previous prime is 121615033. The next prime is 121615063. The reversal of 121615036 is 630516121.

It is a self number, because there is not a number n which added to its sum of digits gives 121615036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121615031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38595 + ... + 41626.

Almost surely, 2^121615036 is an apocalyptic number.

It is an amenable number.

121615036 is a deficient number, since it is larger than the sum of its proper divisors (91775484).

121615036 is a wasteful number, since it uses less digits than its factorization.

121615036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80604 (or 80602 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 121615036 is about 11027.9207469042. The cubic root of 121615036 is about 495.4453509920.

The spelling of 121615036 in words is "one hundred twenty-one million, six hundred fifteen thousand, thirty-six".