128048892 has 24 divisors (see below), whose sum is σ = 299120976. Its totient is φ = 42634368.

The previous prime is 128048887. The next prime is 128048909. The reversal of 128048892 is 298840821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5838 + ... + 17034.

It is an arithmetic number, because the mean of its divisors is an integer number (12463374).

Almost surely, 2^128048892 is an apocalyptic number.

128048892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128048892 is an abundant number, since it is smaller than the sum of its proper divisors (171072084).

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

128048892 is a wasteful number, since it uses less digits than its factorization.

128048892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157 (or 12155 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 128048892 is about 11315.8690342368. The cubic root of 128048892 is about 504.0325785189.

The spelling of 128048892 in words is "one hundred twenty-eight million, forty-eight thousand, eight hundred ninety-two".