128350092 has 72 divisors (see below), whose sum is σ = 341463360. Its totient is φ = 37402560.

The previous prime is 128350087. The next prime is 128350099. The reversal of 128350092 is 290053821.

It is a happy number.

It is a super-2 number, since 2×128350092² = 32947492232816928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128350099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36867 + ... + 40197.

Almost surely, 2^128350092 is an apocalyptic number.

128350092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128350092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170731680).

128350092 is an abundant number, since it is smaller than the sum of its proper divisors (213113268).

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

128350092 is a wasteful number, since it uses less digits than its factorization.

128350092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 128350092 is about 11329.1699607694. The cubic root of 128350092 is about 504.4274686568.

The spelling of 128350092 in words is "one hundred twenty-eight million, three hundred fifty thousand, ninety-two".