1144939 has 2 divisors, whose sum is σ = 1144940. Its totient is φ = 1144938.

The previous prime is 1144931. The next prime is 1144951. The reversal of 1144939 is 9394411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144939 - 2³ = 1144931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144939.

It is not a weakly prime, because it can be changed into another prime (1144931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572469 + 572470.

It is an arithmetic number, because the mean of its divisors is an integer number (572470).

2^1144939 is an apocalyptic number.

1144939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144939 is an equidigital number, since it uses as much as digits as its factorization.

1144939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 1144939 is about 1070.0182241439. The cubic root of 1144939 is about 104.6150378033.

The spelling of 1144939 in words is "one million, one hundred forty-four thousand, nine hundred thirty-nine".