122581168 has 20 divisors (see below), whose sum is σ = 247827888. Its totient is φ = 58625600.

The previous prime is 122581163. The next prime is 122581171. The reversal of 122581168 is 861185221.

It is a super-2 number, since 2×122581168² = 30052285496488448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122581163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 166183 + ... + 166918.

Almost surely, 2^122581168 is an apocalyptic number.

It is an amenable number.

122581168 is an abundant number, since it is smaller than the sum of its proper divisors (125246720).

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

122581168 is a wasteful number, since it uses less digits than its factorization.

122581168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333132 (or 333126 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 122581168 is about 11071.6379998625. The cubic root of 122581168 is about 496.7538614435.

The spelling of 122581168 in words is "one hundred twenty-two million, five hundred eighty-one thousand, one hundred sixty-eight".