1133143 has 8 divisors (see below), whose sum is σ = 1276416. Its totient is φ = 996600.

The previous prime is 1133131. The next prime is 1133147. The reversal of 1133143 is 3413311.

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

It is not a de Polignac number, because 1133143 - 2¹³ = 1124951 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 (1133147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 2002.

It is an arithmetic number, because the mean of its divisors is an integer number (159552).

2^1133143 is an apocalyptic number.

1133143 is a deficient number, since it is larger than the sum of its proper divisors (143273).

1133143 is a wasteful number, since it uses less digits than its factorization.

1133143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its digits is 108, while the sum is 16.

The square root of 1133143 is about 1064.4918975737. The cubic root of 1133143 is about 104.2545232833.

Adding to 1133143 its reverse (3413311), we get a palindrome (4546454).

The spelling of 1133143 in words is "one million, one hundred thirty-three thousand, one hundred forty-three".