121764616 has 32 divisors (see below), whose sum is σ = 241452000. Its totient is φ = 57407616.

The previous prime is 121764611. The next prime is 121764623. The reversal of 121764616 is 616467121.

It is not an unprimeable number, because it can be changed into a prime (121764611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32740 + ... + 36268.

It is an arithmetic number, because the mean of its divisors is an integer number (7545375).

Almost surely, 2^121764616 is an apocalyptic number.

It is an amenable number.

121764616 is a deficient number, since it is larger than the sum of its proper divisors (119687384).

121764616 is a wasteful number, since it uses less digits than its factorization.

121764616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781 (or 3777 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 121764616 is about 11034.7005396612. The cubic root of 121764616 is about 495.6483915467.

The spelling of 121764616 in words is "one hundred twenty-one million, seven hundred sixty-four thousand, six hundred sixteen".