1120201999 has 4 divisors (see below), whose sum is σ = 1280230864. Its totient is φ = 960173136.

The previous prime is 1120201997. The next prime is 1120202021. The reversal of 1120201999 is 9991020211.

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 1120201999 - 2¹ = 1120201997 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 (1120201997) 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, 80014422 + ... + 80014435.

It is an arithmetic number, because the mean of its divisors is an integer number (320057716).

Almost surely, 2^1120201999 is an apocalyptic number.

1120201999 is a deficient number, since it is larger than the sum of its proper divisors (160028865).

1120201999 is an equidigital number, since it uses as much as digits as its factorization.

1120201999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160028864.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 1120201999 is about 33469.4188625975. The cubic root of 1120201999 is about 1038.5612498681.

The spelling of 1120201999 in words is "one billion, one hundred twenty million, two hundred one thousand, nine hundred ninety-nine".