1249559 has 2 divisors, whose sum is σ = 1249560. Its totient is φ = 1249558.

The previous prime is 1249531. The next prime is 1249603. The reversal of 1249559 is 9559421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1249559 - 2²⁰ = 200983 is a prime.

It is a super-2 number, since 2×1249559² = 3122795388962, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1249519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624779 + 624780.

It is an arithmetic number, because the mean of its divisors is an integer number (624780).

2^1249559 is an apocalyptic number.

1249559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1249559 is an equidigital number, since it uses as much as digits as its factorization.

1249559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 1249559 is about 1117.8367501563. The cubic root of 1249559 is about 107.7090649356.

The spelling of 1249559 in words is "one million, two hundred forty-nine thousand, five hundred fifty-nine".