122889952 has 48 divisors (see below), whose sum is σ = 253314432. Its totient is φ = 58613760.

The previous prime is 122889941. The next prime is 122889961. The reversal of 122889952 is 259988221.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 71568 + ... + 73264.

It is an arithmetic number, because the mean of its divisors is an integer number (5277384).

Almost surely, 2^122889952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122889952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126657216).

122889952 is an abundant number, since it is smaller than the sum of its proper divisors (130424480).

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

122889952 is a wasteful number, since it uses less digits than its factorization.

122889952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811 (or 1803 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 122889952 is about 11085.5740491866. The cubic root of 122889952 is about 497.1706221085.

The spelling of 122889952 in words is "one hundred twenty-two million, eight hundred eighty-nine thousand, nine hundred fifty-two".