1140255 has 12 divisors (see below), whose sum is σ = 1976520. Its totient is φ = 608112.

The previous prime is 1140253. The next prime is 1140257. The reversal of 1140255 is 5520411.

It is an interprime number because it is at equal distance from previous prime (1140253) and next prime (1140257).

It is not a de Polignac number, because 1140255 - 2¹ = 1140253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140253) 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 11 ways as a sum of consecutive naturals, for example, 12625 + ... + 12714.

It is an arithmetic number, because the mean of its divisors is an integer number (164710).

2^1140255 is an apocalyptic number.

1140255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1140255 is a deficient number, since it is larger than the sum of its proper divisors (836265).

1140255 is a wasteful number, since it uses less digits than its factorization.

1140255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25350 (or 25347 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1140255 is about 1067.8272332171. The cubic root of 1140255 is about 104.4721811133.

Adding to 1140255 its reverse (5520411), we get a palindrome (6660666).

The spelling of 1140255 in words is "one million, one hundred forty thousand, two hundred fifty-five".