1121043299 has 16 divisors (see below), whose sum is σ = 1192423680. Its totient is φ = 1051654560.

The previous prime is 1121043293. The next prime is 1121043311. The reversal of 1121043299 is 9923401211.

It is a cyclic number.

It is not a de Polignac number, because 1121043299 - 2⁴ = 1121043283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121043293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586904 + ... + 588810.

It is an arithmetic number, because the mean of its divisors is an integer number (74526480).

Almost surely, 2^1121043299 is an apocalyptic number.

1121043299 is a deficient number, since it is larger than the sum of its proper divisors (71380381).

1121043299 is a wasteful number, since it uses less digits than its factorization.

1121043299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1121043299 is about 33481.9846932645. The cubic root of 1121043299 is about 1038.8211800526.

The spelling of 1121043299 in words is "one billion, one hundred twenty-one million, forty-three thousand, two hundred ninety-nine".