1142112297 has 4 divisors (see below), whose sum is σ = 1522816400. Its totient is φ = 761408196.

The previous prime is 1142112289. The next prime is 1142112313. The reversal of 1142112297 is 7922112411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1142112297 - 2³ = 1142112289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142112227) 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, 190352047 + ... + 190352052.

It is an arithmetic number, because the mean of its divisors is an integer number (380704100).

Almost surely, 2^1142112297 is an apocalyptic number.

It is an amenable number.

1142112297 is a deficient number, since it is larger than the sum of its proper divisors (380704103).

1142112297 is an equidigital number, since it uses as much as digits as its factorization.

1142112297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380704102.

The product of its digits is 2016, while the sum is 30.

The square root of 1142112297 is about 33795.1519748025. The cubic root of 1142112297 is about 1045.2887328957.

The spelling of 1142112297 in words is "one billion, one hundred forty-two million, one hundred twelve thousand, two hundred ninety-seven".