1142942797 has 4 divisors (see below), whose sum is σ = 1149954880. Its totient is φ = 1135930716.

The previous prime is 1142942789. The next prime is 1142942803. The reversal of 1142942797 is 7972492411.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7972492411 = 13 ⋅613268647.

It is a cyclic number.

It is not a de Polignac number, because 1142942797 - 2³ = 1142942789 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 (1142942767) 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, 3505797 + ... + 3506122.

It is an arithmetic number, because the mean of its divisors is an integer number (287488720).

Almost surely, 2^1142942797 is an apocalyptic number.

It is an amenable number.

1142942797 is a deficient number, since it is larger than the sum of its proper divisors (7012083).

1142942797 is an equidigital number, since it uses as much as digits as its factorization.

1142942797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012082.

The product of its digits is 254016, while the sum is 46.

The square root of 1142942797 is about 33807.4370072622. The cubic root of 1142942797 is about 1045.5420360548.

The spelling of 1142942797 in words is "one billion, one hundred forty-two million, nine hundred forty-two thousand, seven hundred ninety-seven".