122898128 has 40 divisors (see below), whose sum is σ = 247091328. Its totient is φ = 59173632.

The previous prime is 122898119. The next prime is 122898133. The reversal of 122898128 is 821898221.

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, 49001 + ... + 51447.

Almost surely, 2^122898128 is an apocalyptic number.

It is an amenable number.

122898128 is an abundant number, since it is smaller than the sum of its proper divisors (124193200).

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

122898128 is a wasteful number, since it uses less digits than its factorization.

122898128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2565 counting only the distinct ones).

The product of its digits is 36864, while the sum is 41.

The square root of 122898128 is about 11085.9428106048. The cubic root of 122898128 is about 497.1816476285.

The spelling of 122898128 in words is "one hundred twenty-two million, eight hundred ninety-eight thousand, one hundred twenty-eight".