1121223299 has 8 divisors (see below), whose sum is σ = 1281896448. Its totient is φ = 960674760.

The previous prime is 1121223263. The next prime is 1121223319. The reversal of 1121223299 is 9923221211.

It is a happy number.

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 1121223299 - 2⁸ = 1121223043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121223239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10997 + ... + 48614.

It is an arithmetic number, because the mean of its divisors is an integer number (160237056).

Almost surely, 2^1121223299 is an apocalyptic number.

1121223299 is a deficient number, since it is larger than the sum of its proper divisors (160673149).

1121223299 is an equidigital number, since it uses as much as digits as its factorization.

1121223299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62305.

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

The square root of 1121223299 is about 33484.6725980709. The cubic root of 1121223299 is about 1038.8767764200.

The spelling of 1121223299 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred ninety-nine".