1120099 has 4 divisors (see below), whose sum is σ = 1122264. Its totient is φ = 1117936.

The previous prime is 1120087. The next prime is 1120109. The reversal of 1120099 is 9900211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9900211 = 2591 ⋅3821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1120099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120019) 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, 204 + ... + 1510.

It is an arithmetic number, because the mean of its divisors is an integer number (280566).

2^1120099 is an apocalyptic number.

1120099 is a deficient number, since it is larger than the sum of its proper divisors (2165).

1120099 is an equidigital number, since it uses as much as digits as its factorization.

1120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1120099 is about 1058.3472964958. The cubic root of 1120099 is about 103.8529418095.

The spelling of 1120099 in words is "one million, one hundred twenty thousand, ninety-nine".