122976512 has 72 divisors (see below), whose sum is σ = 261713760. Its totient is φ = 57507840.

The previous prime is 122976509. The next prime is 122976523. The reversal of 122976512 is 215679221.

It is a super-2 number, since 2×122976512² = 30246445007372288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637088 + ... + 637280.

Almost surely, 2^122976512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122976512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130856880).

122976512 is an abundant number, since it is smaller than the sum of its proper divisors (138737248).

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

122976512 is a wasteful number, since it uses less digits than its factorization.

122976512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 345 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 122976512 is about 11089.4775350329. The cubic root of 122976512 is about 497.2873254084.

The spelling of 122976512 in words is "one hundred twenty-two million, nine hundred seventy-six thousand, five hundred twelve".