1142299712 has 28 divisors (see below), whose sum is σ = 2268131100. Its totient is φ = 570802176.

The previous prime is 1142299699. The next prime is 1142299727. The reversal of 1142299712 is 2179922411.

It can be written as a sum of positive squares in 2 ways, for example, as 370793536 + 771506176 = 19256^2 + 27776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124664 + ... + 133512.

Almost surely, 2^1142299712 is an apocalyptic number.

It is an amenable number.

1142299712 is a deficient number, since it is larger than the sum of its proper divisors (1125831388).

1142299712 is an equidigital number, since it uses as much as digits as its factorization.

1142299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878 (or 10868 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 1142299712 is about 33797.9246700149. The cubic root of 1142299712 is about 1045.3459053454.

The spelling of 1142299712 in words is "one billion, one hundred forty-two million, two hundred ninety-nine thousand, seven hundred twelve".