1143254 has 16 divisors (see below), whose sum is σ = 1978368. Its totient is φ = 485352.

The previous prime is 1143239. The next prime is 1143257. The reversal of 1143254 is 4523411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143257) 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 7 ways as a sum of consecutive naturals, for example, 1457 + ... + 2099.

It is an arithmetic number, because the mean of its divisors is an integer number (123648).

2^1143254 is an apocalyptic number.

1143254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143254 is a deficient number, since it is larger than the sum of its proper divisors (835114).

1143254 is a wasteful number, since it uses less digits than its factorization.

1143254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 480, while the sum is 20.

The square root of 1143254 is about 1069.2305644715. The cubic root of 1143254 is about 104.5636921612.

Adding to 1143254 its reverse (4523411), we get a palindrome (5666665).

The spelling of 1143254 in words is "one million, one hundred forty-three thousand, two hundred fifty-four".