1143774 has 32 divisors (see below), whose sum is σ = 2592000. Its totient is φ = 373752.

The previous prime is 1143763. The next prime is 1143799. The reversal of 1143774 is 4773411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3007 + ... + 3365.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2^1143774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296000).

1143774 is an abundant number, since it is smaller than the sum of its proper divisors (1448226).

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

1143774 is a wasteful number, since it uses less digits than its factorization.

1143774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 1143774 is about 1069.4737023415. The cubic root of 1143774 is about 104.5795430798.

It can be divided in two parts, 11437 and 74, that added together give a palindrome (11511).

The spelling of 1143774 in words is "one million, one hundred forty-three thousand, seven hundred seventy-four".