1128474579 has 4 divisors (see below), whose sum is σ = 1504632776. Its totient is φ = 752316384.

The previous prime is 1128474577. The next prime is 1128474583. The reversal of 1128474579 is 9754748211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1128474579 - 2¹ = 1128474577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128474577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188079094 + ... + 188079099.

It is an arithmetic number, because the mean of its divisors is an integer number (376158194).

Almost surely, 2^1128474579 is an apocalyptic number.

1128474579 is a deficient number, since it is larger than the sum of its proper divisors (376158197).

1128474579 is an equidigital number, since it uses as much as digits as its factorization.

1128474579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376158196.

The product of its digits is 564480, while the sum is 48.

The square root of 1128474579 is about 33592.7756965690. The cubic root of 1128474579 is about 1041.1115393261. Note that the first 3 decimals are identical.

The spelling of 1128474579 in words is "one billion, one hundred twenty-eight million, four hundred seventy-four thousand, five hundred seventy-nine".