1121199 has 8 divisors (see below), whose sum is σ = 1500720. Its totient is φ = 744576.

The previous prime is 1121191. The next prime is 1121203. The reversal of 1121199 is 9911211.

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

It is not a de Polignac number, because 1121199 - 2³ = 1121191 is a prime.

1121199 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121191) 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, 457 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (187590).

2^1121199 is an apocalyptic number.

1121199 is a deficient number, since it is larger than the sum of its proper divisors (379521).

1121199 is a wasteful number, since it uses less digits than its factorization.

1121199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its digits is 162, while the sum is 24.

The square root of 1121199 is about 1058.8668471531. The cubic root of 1121199 is about 103.8869271567.

The spelling of 1121199 in words is "one million, one hundred twenty-one thousand, one hundred ninety-nine".