1143937 has 4 divisors (see below), whose sum is σ = 1154736. Its totient is φ = 1133140.

The previous prime is 1143893. The next prime is 1143943. The reversal of 1143937 is 7393411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143937 - 2⁷ = 1143809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143977) 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, 5239 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (288684).

2^1143937 is an apocalyptic number.

It is an amenable number.

1143937 is a deficient number, since it is larger than the sum of its proper divisors (10799).

1143937 is a wasteful number, since it uses less digits than its factorization.

1143937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798.

The product of its digits is 2268, while the sum is 28.

The square root of 1143937 is about 1069.5499053340. The cubic root of 1143937 is about 104.5845107441.

It can be divided in two parts, 11439 and 37, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1143937 in words is "one million, one hundred forty-three thousand, nine hundred thirty-seven".