122880787 has 8 divisors (see below), whose sum is σ = 125841600. Its totient is φ = 119955264.

The previous prime is 122880781. The next prime is 122880829. The reversal of 122880787 is 787088221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122880787 - 2²³ = 114492179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122880781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708 + ... + 15769.

It is an arithmetic number, because the mean of its divisors is an integer number (15730200).

Almost surely, 2^122880787 is an apocalyptic number.

122880787 is a deficient number, since it is larger than the sum of its proper divisors (2960813).

122880787 is an equidigital number, since it uses as much as digits as its factorization.

122880787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17645.

The product of its (nonzero) digits is 100352, while the sum is 43.

The square root of 122880787 is about 11085.1606664044. The cubic root of 122880787 is about 497.1582623184.

The spelling of 122880787 in words is "one hundred twenty-two million, eight hundred eighty thousand, seven hundred eighty-seven".