122428770 has 32 divisors (see below), whose sum is σ = 306605952. Its totient is φ = 31228032.

The previous prime is 122428763. The next prime is 122428877. The reversal of 122428770 is 77824221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88027 + ... + 89406.

It is an arithmetic number, because the mean of its divisors is an integer number (9581436).

Almost surely, 2^122428770 is an apocalyptic number.

122428770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122428770 is an abundant number, since it is smaller than the sum of its proper divisors (184177182).

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

122428770 is a wasteful number, since it uses less digits than its factorization.

122428770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177466.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 122428770 is about 11064.7534992877. The cubic root of 122428770 is about 496.5479143941.

It can be divided in two parts, 12242 and 8770, that added together give a palindrome (21012).

The spelling of 122428770 in words is "one hundred twenty-two million, four hundred twenty-eight thousand, seven hundred seventy".