1142263199 has 16 divisors (see below), whose sum is σ = 1437440256. Its totient is φ = 881750400.

The previous prime is 1142263183. The next prime is 1142263217. The reversal of 1142263199 is 9913622411.

It is a cyclic number.

It is not a de Polignac number, because 1142263199 - 2⁴ = 1142263183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142263399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61082 + ... + 77559.

It is an arithmetic number, because the mean of its divisors is an integer number (89840016).

Almost surely, 2^1142263199 is an apocalyptic number.

1142263199 is a deficient number, since it is larger than the sum of its proper divisors (295177057).

1142263199 is a wasteful number, since it uses less digits than its factorization.

1142263199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138766.

The product of its digits is 23328, while the sum is 38.

The square root of 1142263199 is about 33797.3844993958. The cubic root of 1142263199 is about 1045.3347672522.

The spelling of 1142263199 in words is "one billion, one hundred forty-two million, two hundred sixty-three thousand, one hundred ninety-nine".