1120043099 has 16 divisors (see below), whose sum is σ = 1292648448. Its totient is φ = 950618592.

The previous prime is 1120043083. The next prime is 1120043149. The reversal of 1120043099 is 9903400211.

It is a happy number.

It is not a de Polignac number, because 1120043099 - 2⁴ = 1120043083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1120043009) 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 15 ways as a sum of consecutive naturals, for example, 645437 + ... + 647169.

It is an arithmetic number, because the mean of its divisors is an integer number (80790528).

Almost surely, 2^1120043099 is an apocalyptic number.

1120043099 is a deficient number, since it is larger than the sum of its proper divisors (172605349).

1120043099 is a wasteful number, since it uses less digits than its factorization.

1120043099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2594.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1120043099 is about 33467.0449696414. The cubic root of 1120043099 is about 1038.5121411103.

The spelling of 1120043099 in words is "one billion, one hundred twenty million, forty-three thousand, ninety-nine".