1143274 has 16 divisors (see below), whose sum is σ = 1888416. Its totient is φ = 514800.

The previous prime is 1143269. The next prime is 1143281. The reversal of 1143274 is 4723411.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 3289 + ... + 3619.

It is an arithmetic number, because the mean of its divisors is an integer number (118026).

2^1143274 is an apocalyptic number.

1143274 is a deficient number, since it is larger than the sum of its proper divisors (745142).

1143274 is a wasteful number, since it uses less digits than its factorization.

1143274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 672, while the sum is 22.

The square root of 1143274 is about 1069.2399169504. The cubic root of 1143274 is about 104.5643019007.

Adding to 1143274 its reverse (4723411), we get a palindrome (5866685).

The spelling of 1143274 in words is "one million, one hundred forty-three thousand, two hundred seventy-four".