122944456 has 16 divisors (see below), whose sum is σ = 238470300. Its totient is φ = 59352384.

The previous prime is 122944447. The next prime is 122944457. The reversal of 122944456 is 654449221.

It can be written as a sum of positive squares in 2 ways, for example, as 113763556 + 9180900 = 10666^2 + 3030^2 .

It is a super-2 number, since 2×122944456² = 30230678522271872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122944457) 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 3 ways as a sum of consecutive naturals, for example, 264735 + ... + 265198.

Almost surely, 2^122944456 is an apocalyptic number.

It is an amenable number.

122944456 is a deficient number, since it is larger than the sum of its proper divisors (115525844).

122944456 is a wasteful number, since it uses less digits than its factorization.

122944456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529968 (or 529964 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 122944456 is about 11088.0321067356. The cubic root of 122944456 is about 497.2441127452.

The spelling of 122944456 in words is "one hundred twenty-two million, nine hundred forty-four thousand, four hundred fifty-six".