1143262 has 8 divisors (see below), whose sum is σ = 1743192. Its totient is φ = 562200.

The previous prime is 1143257. The next prime is 1143269. The reversal of 1143262 is 2623411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143269) 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, 4564 + ... + 4807.

It is an arithmetic number, because the mean of its divisors is an integer number (217899).

2^1143262 is an apocalyptic number.

1143262 is a deficient number, since it is larger than the sum of its proper divisors (599930).

1143262 is an equidigital number, since it uses as much as digits as its factorization.

1143262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434.

The product of its digits is 288, while the sum is 19.

The square root of 1143262 is about 1069.2343054728. The cubic root of 1143262 is about 104.5639360579.

Adding to 1143262 its reverse (2623411), we get a palindrome (3766673).

The spelling of 1143262 in words is "one million, one hundred forty-three thousand, two hundred sixty-two".