1137143 has 12 divisors (see below), whose sum is σ = 1381680. Its totient is φ = 931392.

The previous prime is 1137139. The next prime is 1137161. The reversal of 1137143 is 3417311.

It is a happy number.

It is not a de Polignac number, because 1137143 - 2² = 1137139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137163) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 623 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (115140).

2^1137143 is an apocalyptic number.

1137143 is a deficient number, since it is larger than the sum of its proper divisors (244537).

1137143 is a wasteful number, since it uses less digits than its factorization.

1137143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1039 counting only the distinct ones).

The product of its digits is 252, while the sum is 20.

The square root of 1137143 is about 1066.3690730699. The cubic root of 1137143 is about 104.3770522025.

The spelling of 1137143 in words is "one million, one hundred thirty-seven thousand, one hundred forty-three".