121576764 has 24 divisors (see below), whose sum is σ = 284307408. Its totient is φ = 40435840.

The previous prime is 121576751. The next prime is 121576789. The reversal of 121576764 is 467675121.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 5457 + ... + 16520.

It is an arithmetic number, because the mean of its divisors is an integer number (11846142).

Almost surely, 2^121576764 is an apocalyptic number.

It is an amenable number.

121576764 is an abundant number, since it is smaller than the sum of its proper divisors (162730644).

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

121576764 is a wasteful number, since it uses less digits than its factorization.

121576764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22445 (or 22443 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 121576764 is about 11026.1853784525. The cubic root of 121576764 is about 495.3933736639.

The spelling of 121576764 in words is "one hundred twenty-one million, five hundred seventy-six thousand, seven hundred sixty-four".