122555680 has 48 divisors (see below), whose sum is σ = 311815224. Its totient is φ = 45250560.

The previous prime is 122555659. The next prime is 122555701. The reversal of 122555680 is 86555221.

It is an interprime number because it is at equal distance from previous prime (122555659) and next prime (122555701).

It can be written as a sum of positive squares in 4 ways, for example, as 61528336 + 61027344 = 7844^2 + 7812^2 .

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, 27381 + ... + 31540.

Almost surely, 2^122555680 is an apocalyptic number.

122555680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122555680 is an abundant number, since it is smaller than the sum of its proper divisors (189259544).

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

122555680 is a wasteful number, since it uses less digits than its factorization.

122555680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58949 (or 58941 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 122555680 is about 11070.4868908282. The cubic root of 122555680 is about 496.7194294551.

The spelling of 122555680 in words is "one hundred twenty-two million, five hundred fifty-five thousand, six hundred eighty".