122098128 has 40 divisors (see below), whose sum is σ = 318381408. Its totient is φ = 40317312.

The previous prime is 122098127. The next prime is 122098159. The reversal of 122098128 is 821890221.

It is a super-2 number, since 2×122098128² = 29815905722208768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122098127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6751 + ... + 17022.

Almost surely, 2^122098128 is an apocalyptic number.

It is an amenable number.

122098128 is an abundant number, since it is smaller than the sum of its proper divisors (196283280).

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

122098128 is a wasteful number, since it uses less digits than its factorization.

122098128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23891 (or 23885 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 122098128 is about 11049.8021701748. The cubic root of 122098128 is about 496.1005042606.

The spelling of 122098128 in words is "one hundred twenty-two million, ninety-eight thousand, one hundred twenty-eight".