128274093 has 12 divisors (see below), whose sum is σ = 187518240. Its totient is φ = 84485256.

The previous prime is 128274089. The next prime is 128274101. The reversal of 128274093 is 390472821.

It is not a de Polignac number, because 128274093 - 2² = 128274089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128274023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85113 + ... + 86606.

It is an arithmetic number, because the mean of its divisors is an integer number (15626520).

Almost surely, 2^128274093 is an apocalyptic number.

It is an amenable number.

128274093 is a deficient number, since it is larger than the sum of its proper divisors (59244147).

128274093 is a wasteful number, since it uses less digits than its factorization.

128274093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171808 (or 171805 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 128274093 is about 11325.8153348887. The cubic root of 128274093 is about 504.3278880186.

The spelling of 128274093 in words is "one hundred twenty-eight million, two hundred seventy-four thousand, ninety-three".