1144657 has 2 divisors, whose sum is σ = 1144658. Its totient is φ = 1144656.

The previous prime is 1144643. The next prime is 1144667. The reversal of 1144657 is 7564411.

1144657 is nontrivially palindromic in base 4.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 398161 = 864^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144657 - 2⁷ = 1144529 is a prime.

1144657 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1144607) 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, 572328 + 572329.

It is an arithmetic number, because the mean of its divisors is an integer number (572329).

2^1144657 is an apocalyptic number.

It is an amenable number.

1144657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144657 is an equidigital number, since it uses as much as digits as its factorization.

1144657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 1144657 is about 1069.8864425723. The cubic root of 1144657 is about 104.6064481570.

The spelling of 1144657 in words is "one million, one hundred forty-four thousand, six hundred fifty-seven".