1120289099 has 4 divisors (see below), whose sum is σ = 1122963240. Its totient is φ = 1117614960.

The previous prime is 1120289089. The next prime is 1120289173. The reversal of 1120289099 is 9909820211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120289099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120289059) 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, 1336442 + ... + 1337279.

It is an arithmetic number, because the mean of its divisors is an integer number (280740810).

Almost surely, 2^1120289099 is an apocalyptic number.

1120289099 is a deficient number, since it is larger than the sum of its proper divisors (2674141).

1120289099 is an equidigital number, since it uses as much as digits as its factorization.

1120289099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674140.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1120289099 is about 33470.7200251205. The cubic root of 1120289099 is about 1038.5881665435.

The spelling of 1120289099 in words is "one billion, one hundred twenty million, two hundred eighty-nine thousand, ninety-nine".