122880078 has 20 divisors (see below), whose sum is σ = 275342760. Its totient is φ = 40959972.

The previous prime is 122880073. The next prime is 122880083. The reversal of 122880078 is 870088221.

It is an interprime number because it is at equal distance from previous prime (122880073) and next prime (122880083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122880073) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 379098 + ... + 379421.

It is an arithmetic number, because the mean of its divisors is an integer number (13767138).

Almost surely, 2^122880078 is an apocalyptic number.

122880078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122880078 is an abundant number, since it is smaller than the sum of its proper divisors (152462682).

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

122880078 is an equidigital number, since it uses as much as digits as its factorization.

122880078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758533 (or 758524 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 122880078 is about 11085.1286866685. The cubic root of 122880078 is about 497.1573061454.

The spelling of 122880078 in words is "one hundred twenty-two million, eight hundred eighty thousand, seventy-eight".