1144001 has 2 divisors, whose sum is σ = 1144002. Its totient is φ = 1144000.

The previous prime is 1143977. The next prime is 1144007. The reversal of 1144001 is 1004411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113025 + 30976 = 1055^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144001 - 2¹⁴ = 1127617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1144007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572000 + 572001.

It is an arithmetic number, because the mean of its divisors is an integer number (572001).

2^1144001 is an apocalyptic number.

It is an amenable number.

1144001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144001 is an equidigital number, since it uses as much as digits as its factorization.

1144001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1144001 is about 1069.5798240431. The cubic root of 1144001 is about 104.5864611090.

Adding to 1144001 its reverse (1004411), we get a palindrome (2148412).

The spelling of 1144001 in words is "one million, one hundred forty-four thousand, one".