128014992 has 200 divisors, whose sum is σ = 430674816. Its totient is φ = 35956224.

The previous prime is 128014979. The next prime is 128015011. The reversal of 128014992 is 299410821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 934348 + ... + 934484.

Almost surely, 2^128014992 is an apocalyptic number.

128014992 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 128014992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215337408).

128014992 is an abundant number, since it is smaller than the sum of its proper divisors (302659824).

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

128014992 is a wasteful number, since it uses less digits than its factorization.

128014992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 128014992 is about 11314.3710386393. The cubic root of 128014992 is about 503.9880949569.

The spelling of 128014992 in words is "one hundred twenty-eight million, fourteen thousand, nine hundred ninety-two".