1140244 has 24 divisors (see below), whose sum is σ = 2303168. Its totient is φ = 483840.

The previous prime is 1140239. The next prime is 1140253. The reversal of 1140244 is 4420411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5299 + ... + 5509.

2^1140244 is an apocalyptic number.

1140244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1140244 is an abundant number, since it is smaller than the sum of its proper divisors (1162924).

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

1140244 is a wasteful number, since it uses less digits than its factorization.

1140244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1140244 is about 1067.8220825587. The cubic root of 1140244 is about 104.4718451657.

Adding to 1140244 its reverse (4420411), we get a palindrome (5560655).

The spelling of 1140244 in words is "one million, one hundred forty thousand, two hundred forty-four".