1134391 has 2 divisors, whose sum is σ = 1134392. Its totient is φ = 1134390.

The previous prime is 1134389. The next prime is 1134403. The reversal of 1134391 is 1934311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1134391 - 2¹ = 1134389 is a prime.

Together with 1134389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567195 + 567196.

It is an arithmetic number, because the mean of its divisors is an integer number (567196).

2^1134391 is an apocalyptic number.

1134391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134391 is an equidigital number, since it uses as much as digits as its factorization.

1134391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 22.

The square root of 1134391 is about 1065.0779314210. The cubic root of 1134391 is about 104.2927832111.

The spelling of 1134391 in words is "one million, one hundred thirty-four thousand, three hundred ninety-one".