1142102299 has 4 divisors (see below), whose sum is σ = 1229956336. Its totient is φ = 1054248264.

The previous prime is 1142102261. The next prime is 1142102323. The reversal of 1142102299 is 9922012411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142102299 - 2¹⁷ = 1141971227 is a prime.

It is a super-2 number, since 2×1142102299² = 2608795322762170802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142102299.

It is not an unprimeable number, because it can be changed into a prime (1142102399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43926999 + ... + 43927024.

It is an arithmetic number, because the mean of its divisors is an integer number (307489084).

Almost surely, 2^1142102299 is an apocalyptic number.

1142102299 is a deficient number, since it is larger than the sum of its proper divisors (87854037).

1142102299 is an equidigital number, since it uses as much as digits as its factorization.

1142102299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87854036.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1142102299 is about 33795.0040538539. The cubic root of 1142102299 is about 1045.2856827499.

The spelling of 1142102299 in words is "one billion, one hundred forty-two million, one hundred two thousand, two hundred ninety-nine".