121952616 has 64 divisors (see below), whose sum is σ = 311731200. Its totient is φ = 39748800.

The previous prime is 121952609. The next prime is 121952641. The reversal of 121952616 is 616259121.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 248131 + ... + 248621.

It is an arithmetic number, because the mean of its divisors is an integer number (4870800).

Almost surely, 2^121952616 is an apocalyptic number.

It is an amenable number.

121952616 is an abundant number, since it is smaller than the sum of its proper divisors (189778584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121952616 is a wasteful number, since it uses less digits than its factorization.

121952616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 706 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 121952616 is about 11043.2158359782. The cubic root of 121952616 is about 495.9033478860.

It can be divided in two parts, 1219 and 52616, that added together give a palindrome (53835).

The spelling of 121952616 in words is "one hundred twenty-one million, nine hundred fifty-two thousand, six hundred sixteen".