122255144 has 32 divisors (see below), whose sum is σ = 253506240. Its totient is φ = 54806400.

The previous prime is 122255137. The next prime is 122255173. The reversal of 122255144 is 441552221.

It is a super-3 number, since 3×122255144³ (a number of 25 digits) contains 333 as substring.

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, 3092 + ... + 15939.

It is an arithmetic number, because the mean of its divisors is an integer number (7922070).

Almost surely, 2^122255144 is an apocalyptic number.

It is an amenable number.

122255144 is an abundant number, since it is smaller than the sum of its proper divisors (131251096).

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

122255144 is a wasteful number, since it uses less digits than its factorization.

122255144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19121 (or 19117 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 122255144 is about 11056.9048110219. The cubic root of 122255144 is about 496.3130719471.

The spelling of 122255144 in words is "one hundred twenty-two million, two hundred fifty-five thousand, one hundred forty-four".