122990976 has 96 divisors (see below), whose sum is σ = 356190120. Its totient is φ = 40734720.

The previous prime is 122990927. The next prime is 122990983. The reversal of 122990976 is 679099221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 277411 + ... + 277853.

Almost surely, 2^122990976 is an apocalyptic number.

122990976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122990976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178095060).

122990976 is an abundant number, since it is smaller than the sum of its proper divisors (233199144).

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

122990976 is a wasteful number, since it uses less digits than its factorization.

122990976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 122990976 is about 11090.1296656081. The cubic root of 122990976 is about 497.3068209522.

The spelling of 122990976 in words is "one hundred twenty-two million, nine hundred ninety thousand, nine hundred seventy-six".