1140992 has 18 divisors (see below), whose sum is σ = 2278038. Its totient is φ = 570368.

The previous prime is 1140991. The next prime is 1141009. The reversal of 1140992 is 2990411.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 92416 = 1024^2 + 304^2 .

It is not an unprimeable number, because it can be changed into a prime (1140991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973 + ... + 2484.

2^1140992 is an apocalyptic number.

It is an amenable number.

1140992 is a deficient number, since it is larger than the sum of its proper divisors (1137046).

1140992 is an frugal number, since it uses more digits than its factorization.

1140992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1140992 is about 1068.1722707504. The cubic root of 1140992 is about 104.4946846804.

The spelling of 1140992 in words is "one million, one hundred forty thousand, nine hundred ninety-two".