1121099 has 8 divisors (see below), whose sum is σ = 1356768. Its totient is φ = 904320.

The previous prime is 1121093. The next prime is 1121101. The reversal of 1121099 is 9901211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121099 - 2⁴ = 1121083 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1121093) 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, 4592 + ... + 4829.

It is an arithmetic number, because the mean of its divisors is an integer number (169596).

2^1121099 is an apocalyptic number.

1121099 is a deficient number, since it is larger than the sum of its proper divisors (235669).

1121099 is an equidigital number, since it uses as much as digits as its factorization.

1121099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1121099 is about 1058.8196258098. The cubic root of 1121099 is about 103.8838384984.

The spelling of 1121099 in words is "one million, one hundred twenty-one thousand, ninety-nine".