1149457 has 2 divisors, whose sum is σ = 1149458. Its totient is φ = 1149456.

The previous prime is 1149427. The next prime is 1149469. The reversal of 1149457 is 7549411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 147456 = 1001^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149457 - 2¹¹ = 1147409 is a prime.

It is a Chen prime.

1149457 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1149427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574728 + 574729.

It is an arithmetic number, because the mean of its divisors is an integer number (574729).

2^1149457 is an apocalyptic number.

It is an amenable number.

1149457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149457 is an equidigital number, since it uses as much as digits as its factorization.

1149457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 1149457 is about 1072.1273245282. The cubic root of 1149457 is about 104.7524629986.

The spelling of 1149457 in words is "one million, one hundred forty-nine thousand, four hundred fifty-seven".