1140237 has 20 divisors (see below), whose sum is σ = 1947616. Its totient is φ = 651240.

The previous prime is 1140233. The next prime is 1140239. The reversal of 1140237 is 7320411.

It is not a de Polignac number, because 1140237 - 2² = 1140233 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 (1140233) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 439 + ... + 1572.

2^1140237 is an apocalyptic number.

It is an amenable number.

1140237 is a deficient number, since it is larger than the sum of its proper divisors (807379).

1140237 is an equidigital number, since it uses as much as digits as its factorization.

1140237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1140237 is about 1067.8188048541. The cubic root of 1140237 is about 104.4716313798.

Adding to 1140237 its reverse (7320411), we get a palindrome (8460648).

The spelling of 1140237 in words is "one million, one hundred forty thousand, two hundred thirty-seven".