1140312 has 16 divisors (see below), whose sum is σ = 2850840. Its totient is φ = 380096.

The previous prime is 1140311. The next prime is 1140319. The reversal of 1140312 is 2130411.

It is a happy number.

It is a super-2 number, since 2×1140312² = 2600622914688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140311) 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, 23733 + ... + 23780.

2^1140312 is an apocalyptic number.

1140312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140312 is an abundant number, since it is smaller than the sum of its proper divisors (1710528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140312 is a wasteful number, since it uses less digits than its factorization.

1140312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47522 (or 47518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1140312 is about 1067.8539225943. The cubic root of 1140312 is about 104.4739218979.

Adding to 1140312 its reverse (2130411), we get a palindrome (3270723).

Subtracting 1140312 from its reverse (2130411), we obtain a palindrome (990099).

The spelling of 1140312 in words is "one million, one hundred forty thousand, three hundred twelve".