122768898 has 16 divisors (see below), whose sum is σ = 280614720. Its totient is φ = 35076816.

The previous prime is 122768887. The next prime is 122768909. The reversal of 122768898 is 898867221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122768887) and next prime (122768909).

It is a super-2 number, since 2×122768898² = 30144404632268808, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122768898.

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, 1461493 + ... + 1461576.

It is an arithmetic number, because the mean of its divisors is an integer number (17538420).

Almost surely, 2^122768898 is an apocalyptic number.

122768898 is an abundant number, since it is smaller than the sum of its proper divisors (157845822).

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

122768898 is a wasteful number, since it uses less digits than its factorization.

122768898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923081.

The product of its digits is 774144, while the sum is 51.

The square root of 122768898 is about 11080.1127250584. The cubic root of 122768898 is about 497.0073208130.

It can be divided in two parts, 1227 and 68898, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 122768898 in words is "one hundred twenty-two million, seven hundred sixty-eight thousand, eight hundred ninety-eight".