1011099 has 8 divisors (see below), whose sum is σ = 1384720. Its totient is φ = 655776.

The previous prime is 1011091. The next prime is 1011107. The reversal of 1011099 is 9901101.

It is an interprime number because it is at equal distance from previous prime (1011091) and next prime (1011107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011099 - 2³ = 1011091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4444 + ... + 4665.

It is an arithmetic number, because the mean of its divisors is an integer number (173090).

2^1011099 is an apocalyptic number.

1011099 is a deficient number, since it is larger than the sum of its proper divisors (373621).

1011099 is an equidigital number, since it uses as much as digits as its factorization.

1011099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 1011099 is about 1005.5341863905. The cubic root of 1011099 is about 100.3686062913.

The spelling of 1011099 in words is "one million, eleven thousand, ninety-nine".