1140449 has 2 divisors, whose sum is σ = 1140450. Its totient is φ = 1140448.

The previous prime is 1140439. The next prime is 1140463. The reversal of 1140449 is 9440411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 110224 = 1015^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140449 - 2²⁰ = 91873 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 (1140439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570224 + 570225.

It is an arithmetic number, because the mean of its divisors is an integer number (570225).

2^1140449 is an apocalyptic number.

It is an amenable number.

1140449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140449 is an equidigital number, since it uses as much as digits as its factorization.

1140449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1140449 is about 1067.9180680183. The cubic root of 1140449 is about 104.4781056517.

The spelling of 1140449 in words is "one million, one hundred forty thousand, four hundred forty-nine".