1133261 has 2 divisors, whose sum is σ = 1133262. Its totient is φ = 1133260.

The previous prime is 1133257. The next prime is 1133263. The reversal of 1133261 is 1623311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 72361 = 1030^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133261 - 2² = 1133257 is a prime.

Together with 1133263, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566630 + 566631.

It is an arithmetic number, because the mean of its divisors is an integer number (566631).

2^1133261 is an apocalyptic number.

It is an amenable number.

1133261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133261 is an equidigital number, since it uses as much as digits as its factorization.

1133261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 1133261 is about 1064.5473216349. The cubic root of 1133261 is about 104.2581420106.

Adding to 1133261 its reverse (1623311), we get a palindrome (2756572).

The spelling of 1133261 in words is "one million, one hundred thirty-three thousand, two hundred sixty-one".