1142799 has 8 divisors (see below), whose sum is σ = 1741440. Its totient is φ = 653016.

The previous prime is 1142789. The next prime is 1142809. The reversal of 1142799 is 9972411.

It is an interprime number because it is at equal distance from previous prime (1142789) and next prime (1142809).

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

It is not a de Polignac number, because 1142799 - 2⁴ = 1142783 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27189 + ... + 27230.

It is an arithmetic number, because the mean of its divisors is an integer number (217680).

2^1142799 is an apocalyptic number.

1142799 is a deficient number, since it is larger than the sum of its proper divisors (598641).

1142799 is an equidigital number, since it uses as much as digits as its factorization.

1142799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54429.

The product of its digits is 4536, while the sum is 33.

The square root of 1142799 is about 1069.0177734725. The cubic root of 1142799 is about 104.5498186641.

The spelling of 1142799 in words is "one million, one hundred forty-two thousand, seven hundred ninety-nine".