1133971 has 2 divisors, whose sum is σ = 1133972. Its totient is φ = 1133970.

The previous prime is 1133963. The next prime is 1133989. The reversal of 1133971 is 1793311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133971 - 2³ = 1133963 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1133911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566985 + 566986.

It is an arithmetic number, because the mean of its divisors is an integer number (566986).

2^1133971 is an apocalyptic number.

1133971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133971 is an equidigital number, since it uses as much as digits as its factorization.

1133971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 567, while the sum is 25.

The square root of 1133971 is about 1064.8807444968. The cubic root of 1133971 is about 104.2799104080.

The spelling of 1133971 in words is "one million, one hundred thirty-three thousand, nine hundred seventy-one".