1142992 has 10 divisors (see below), whose sum is σ = 2214578. Its totient is φ = 571488.

The previous prime is 1142971. The next prime is 1143013. The reversal of 1142992 is 2992411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1142971) and next prime (1143013).

It can be written as a sum of positive squares in only one way, i.e., 1073296 + 69696 = 1036^2 + 264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1142992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35703 + ... + 35734.

2^1142992 is an apocalyptic number.

It is an amenable number.

1142992 is a deficient number, since it is larger than the sum of its proper divisors (1071586).

1142992 is an equidigital number, since it uses as much as digits as its factorization.

1142992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71445 (or 71439 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 1142992 is about 1069.1080394422. The cubic root of 1142992 is about 104.5557039158. Note that the first 3 decimals are identical.

The spelling of 1142992 in words is "one million, one hundred forty-two thousand, nine hundred ninety-two".