128068794 has 24 divisors (see below), whose sum is σ = 317123040. Its totient is φ = 36591048.

The previous prime is 128068783. The next prime is 128068819. The reversal of 128068794 is 497860821.

It is a super-2 number, since 2×128068794² = 32803231993228872, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 508084 + ... + 508335.

It is an arithmetic number, because the mean of its divisors is an integer number (13213460).

Almost surely, 2^128068794 is an apocalyptic number.

128068794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

128068794 is an abundant number, since it is smaller than the sum of its proper divisors (189054246).

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

128068794 is a wasteful number, since it uses less digits than its factorization.

128068794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016434 (or 1016431 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 128068794 is about 11316.7483845847. The cubic root of 128068794 is about 504.0586902553.

The spelling of 128068794 in words is "one hundred twenty-eight million, sixty-eight thousand, seven hundred ninety-four".