1147331 has 2 divisors, whose sum is σ = 1147332. Its totient is φ = 1147330.

The previous prime is 1147301. The next prime is 1147339. The reversal of 1147331 is 1337411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1337411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1147331 - 2¹⁰ = 1146307 is a prime.

It is a super-2 number, since 2×1147331² = 2632736847122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1147339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573665 + 573666.

It is an arithmetic number, because the mean of its divisors is an integer number (573666).

2^1147331 is an apocalyptic number.

1147331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147331 is an equidigital number, since it uses as much as digits as its factorization.

1147331 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 1147331 is about 1071.1353789321. The cubic root of 1147331 is about 104.6878408395.

The spelling of 1147331 in words is "one million, one hundred forty-seven thousand, three hundred thirty-one".