1142942799 has 8 divisors (see below), whose sum is σ = 1524172672. Its totient is φ = 761837400.

The previous prime is 1142942789. The next prime is 1142942803. The reversal of 1142942799 is 9972492411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142942799 - 2⁵ = 1142942767 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 (1142942789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7027 + ... + 48324.

It is an arithmetic number, because the mean of its divisors is an integer number (190521584).

Almost surely, 2^1142942799 is an apocalyptic number.

1142942799 is a deficient number, since it is larger than the sum of its proper divisors (381229873).

1142942799 is an equidigital number, since it uses as much as digits as its factorization.

1142942799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62237.

The product of its digits is 326592, while the sum is 48.

The square root of 1142942799 is about 33807.4370368415. The cubic root of 1142942799 is about 1045.5420366646.

The spelling of 1142942799 in words is "one billion, one hundred forty-two million, nine hundred forty-two thousand, seven hundred ninety-nine".