1144867 has 2 divisors, whose sum is σ = 1144868. Its totient is φ = 1144866.

The previous prime is 1144837. The next prime is 1144877. The reversal of 1144867 is 7684411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144867 - 2⁷ = 1144739 is a prime.

It is not a weakly prime, because it can be changed into another prime (1144837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572433 + 572434.

It is an arithmetic number, because the mean of its divisors is an integer number (572434).

2^1144867 is an apocalyptic number.

1144867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144867 is an equidigital number, since it uses as much as digits as its factorization.

1144867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 1144867 is about 1069.9845793281. The cubic root of 1144867 is about 104.6128448362.

The spelling of 1144867 in words is "one million, one hundred forty-four thousand, eight hundred sixty-seven".