1140988 has 12 divisors (see below), whose sum is σ = 2101960. Its totient is φ = 540432.

The previous prime is 1140983. The next prime is 1140991. The reversal of 1140988 is 8890411.

It is a super-2 number, since 2×1140988² = 2603707232288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7431 + ... + 7582.

2^1140988 is an apocalyptic number.

It is an amenable number.

1140988 is a deficient number, since it is larger than the sum of its proper divisors (960972).

1140988 is a wasteful number, since it uses less digits than its factorization.

1140988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15036 (or 15034 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1140988 is about 1068.1703983916. The cubic root of 1140988 is about 104.4945625705.

The spelling of 1140988 in words is "one million, one hundred forty thousand, nine hundred eighty-eight".