121615052 has 12 divisors (see below), whose sum is σ = 229197696. Its totient is φ = 56130000.

The previous prime is 121615033. The next prime is 121615063. The reversal of 121615052 is 250516121.

It is a happy 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 3 ways as a sum of consecutive naturals, for example, 1169324 + ... + 1169427.

It is an arithmetic number, because the mean of its divisors is an integer number (19099808).

Almost surely, 2^121615052 is an apocalyptic number.

It is an amenable number.

121615052 is a deficient number, since it is larger than the sum of its proper divisors (107582644).

121615052 is a wasteful number, since it uses less digits than its factorization.

121615052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338768 (or 2338766 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 121615052 is about 11027.9214723356. The cubic root of 121615052 is about 495.4453727194.

The spelling of 121615052 in words is "one hundred twenty-one million, six hundred fifteen thousand, fifty-two".