122081408 has 32 divisors (see below), whose sum is σ = 243956460. Its totient is φ = 60853248.

The previous prime is 122081383. The next prime is 122081411. The reversal of 122081408 is 804180221.

It can be written as a sum of positive squares in 2 ways, for example, as 122058304 + 23104 = 11048^2 + 152^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46466 + ... + 49022.

Almost surely, 2^122081408 is an apocalyptic number.

It is an amenable number.

122081408 is a deficient number, since it is larger than the sum of its proper divisors (121875052).

122081408 is an equidigital number, since it uses as much as digits as its factorization.

122081408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2932 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 122081408 is about 11049.0455696408. The cubic root of 122081408 is about 496.0778580519.

It can be divided in two parts, 1220 and 81408, that added together give a palindrome (82628).

The spelling of 122081408 in words is "one hundred twenty-two million, eighty-one thousand, four hundred eight".