128254368 has 48 divisors (see below), whose sum is σ = 367276896. Its totient is φ = 38864640.

The previous prime is 128254363. The next prime is 128254381. The reversal of 128254368 is 863452821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×128254368² = 32898365822158848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128254361) 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, 59671 + ... + 61782.

It is an arithmetic number, because the mean of its divisors is an integer number (7651602).

Almost surely, 2^128254368 is an apocalyptic number.

It is an amenable number.

128254368 is an abundant number, since it is smaller than the sum of its proper divisors (239022528).

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

128254368 is a wasteful number, since it uses less digits than its factorization.

128254368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121477 (or 121469 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 128254368 is about 11324.9445031753. The cubic root of 128254368 is about 504.3020361434.

The spelling of 128254368 in words is "one hundred twenty-eight million, two hundred fifty-four thousand, three hundred sixty-eight".