1120223999 has 4 divisors (see below), whose sum is σ = 1120698840. Its totient is φ = 1119749160.

The previous prime is 1120223969. The next prime is 1120224011. The reversal of 1120223999 is 9993220211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120223999 - 2⁸ = 1120223743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120223939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233864 + ... + 238605.

It is an arithmetic number, because the mean of its divisors is an integer number (280174710).

Almost surely, 2^1120223999 is an apocalyptic number.

1120223999 is a deficient number, since it is larger than the sum of its proper divisors (474841).

1120223999 is an equidigital number, since it uses as much as digits as its factorization.

1120223999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474840.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1120223999 is about 33469.7475192150. The cubic root of 1120223999 is about 1038.5680487008.

The spelling of 1120223999 in words is "one billion, one hundred twenty million, two hundred twenty-three thousand, nine hundred ninety-nine".