122378828 has 24 divisors (see below), whose sum is σ = 251605200. Its totient is φ = 51347520.

The previous prime is 122378807. The next prime is 122378849. The reversal of 122378828 is 828873221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (122378807) and next prime (122378849).

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106403 + ... + 107546.

It is an arithmetic number, because the mean of its divisors is an integer number (10483550).

Almost surely, 2^122378828 is an apocalyptic number.

It is an amenable number.

122378828 is an abundant number, since it is smaller than the sum of its proper divisors (129226372).

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

122378828 is a wasteful number, since it uses less digits than its factorization.

122378828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213977 (or 213975 counting only the distinct ones).

The product of its digits is 86016, while the sum is 41.

The square root of 122378828 is about 11062.4964632763. The cubic root of 122378828 is about 496.4803867787.

The spelling of 122378828 in words is "one hundred twenty-two million, three hundred seventy-eight thousand, eight hundred twenty-eight".