122028992 has 56 divisors (see below), whose sum is σ = 260878320. Its totient is φ = 56422400.

The previous prime is 122028979. The next prime is 122029003. The reversal of 122028992 is 299820221.

It is a super-3 number, since 3×122028992³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 63242 + ... + 65142.

Almost surely, 2^122028992 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 122028992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130439160).

122028992 is an abundant number, since it is smaller than the sum of its proper divisors (138849328).

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

122028992 is a wasteful number, since it uses less digits than its factorization.

122028992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 122028992 is about 11046.6733454013. The cubic root of 122028992 is about 496.0068504083.

The spelling of 122028992 in words is "one hundred twenty-two million, twenty-eight thousand, nine hundred ninety-two".