121552176964 has 24 divisors (see below), whose sum is σ = 218548145088. Its totient is φ = 59111094240.

The previous prime is 121552176923. The next prime is 121552176989. The reversal of 121552176964 is 469671255121.

It is a super-4 number, since 4×121552176964⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239919 + ... + 548329.

It is an arithmetic number, because the mean of its divisors is an integer number (9106172712).

Almost surely, 2^121552176964 is an apocalyptic number.

It is an amenable number.

121552176964 is a deficient number, since it is larger than the sum of its proper divisors (96995968124).

121552176964 is a wasteful number, since it uses less digits than its factorization.

121552176964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311115 (or 311113 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The spelling of 121552176964 in words is "one hundred twenty-one billion, five hundred fifty-two million, one hundred seventy-six thousand, nine hundred sixty-four".