128849092 has 12 divisors (see below), whose sum is σ = 225570240. Its totient is φ = 64400456.

The previous prime is 128849087. The next prime is 128849099. The reversal of 128849092 is 290948821.

It is not an unprimeable number, because it can be changed into a prime (128849099) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12009 + ... + 20047.

It is an arithmetic number, because the mean of its divisors is an integer number (18797520).

Almost surely, 2^128849092 is an apocalyptic number.

It is an amenable number.

128849092 is a deficient number, since it is larger than the sum of its proper divisors (96721148).

128849092 is a wasteful number, since it uses less digits than its factorization.

128849092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 128849092 is about 11351.1713932968. The cubic root of 128849092 is about 505.0803283648.

The spelling of 128849092 in words is "one hundred twenty-eight million, eight hundred forty-nine thousand, ninety-two".