122551122 has 32 divisors (see below), whose sum is σ = 253647360. Its totient is φ = 39432960.

The previous prime is 122551109. The next prime is 122551123. The reversal of 122551122 is 221155221.

It is not an unprimeable number, because it can be changed into a prime (122551123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120954 + ... + 121962.

It is an arithmetic number, because the mean of its divisors is an integer number (7926480).

Almost surely, 2^122551122 is an apocalyptic number.

122551122 is an abundant number, since it is smaller than the sum of its proper divisors (131096238).

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

122551122 is a wasteful number, since it uses less digits than its factorization.

122551122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 400, while the sum is 21.

The square root of 122551122 is about 11070.2810262432. The cubic root of 122551122 is about 496.7132715052.

The spelling of 122551122 in words is "one hundred twenty-two million, five hundred fifty-one thousand, one hundred twenty-two".