122980965 has 16 divisors (see below), whose sum is σ = 198800448. Its totient is φ = 64912896.

The previous prime is 122980961. The next prime is 122980973. The reversal of 122980965 is 569089221.

It is not a de Polignac number, because 122980965 - 2² = 122980961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122980961) by changing a digit.

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, 40807 + ... + 43716.

It is an arithmetic number, because the mean of its divisors is an integer number (12425028).

Almost surely, 2^122980965 is an apocalyptic number.

122980965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122980965 is a deficient number, since it is larger than the sum of its proper divisors (75819483).

122980965 is an equidigital number, since it uses as much as digits as its factorization.

122980965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84628.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 122980965 is about 11089.6783091305. The cubic root of 122980965 is about 497.2933276217.

The spelling of 122980965 in words is "one hundred twenty-two million, nine hundred eighty thousand, nine hundred sixty-five".