1133147 has 2 divisors, whose sum is σ = 1133148. Its totient is φ = 1133146.

The previous prime is 1133131. The next prime is 1133149. The reversal of 1133147 is 7413311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1133147 - 2⁴ = 1133131 is a prime.

Together with 1133149, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₈₁₁₂ and since 1133147 and 88112 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1133149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566573 + 566574.

It is an arithmetic number, because the mean of its divisors is an integer number (566574).

2^1133147 is an apocalyptic number.

1133147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133147 is an equidigital number, since it uses as much as digits as its factorization.

1133147 is an evil number, because the sum of its binary digits is even.

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

The square root of 1133147 is about 1064.4937764027. The cubic root of 1133147 is about 104.2546459561.

Adding to 1133147 its reverse (7413311), we get a palindrome (8546458).

The spelling of 1133147 in words is "one million, one hundred thirty-three thousand, one hundred forty-seven".