1147451 has 2 divisors, whose sum is σ = 1147452. Its totient is φ = 1147450.

The previous prime is 1147441. The next prime is 1147453. The reversal of 1147451 is 1547411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1147451 - 2⁶ = 1147387 is a prime.

Together with 1147453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1147453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573725 + 573726.

It is an arithmetic number, because the mean of its divisors is an integer number (573726).

2^1147451 is an apocalyptic number.

1147451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147451 is an equidigital number, since it uses as much as digits as its factorization.

1147451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 560, while the sum is 23.

The square root of 1147451 is about 1071.1913927959. The cubic root of 1147451 is about 104.6914904991.

The spelling of 1147451 in words is "one million, one hundred forty-seven thousand, four hundred fifty-one".