1244261 has 2 divisors, whose sum is σ = 1244262. Its totient is φ = 1244260.

The previous prime is 1244249. The next prime is 1244263. The reversal of 1244261 is 1624421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 21025 = 1106^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244261 - 2⁶ = 1244197 is a prime.

It is a super-2 number, since 2×1244261² = 3096370872242, which contains 22 as substring.

Together with 1244263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622130 + 622131.

It is an arithmetic number, because the mean of its divisors is an integer number (622131).

2^1244261 is an apocalyptic number.

It is an amenable number.

1244261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244261 is an equidigital number, since it uses as much as digits as its factorization.

1244261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 1244261 is about 1115.4644772470. The cubic root of 1244261 is about 107.5566242159.

Adding to 1244261 its reverse (1624421), we get a palindrome (2868682).

The spelling of 1244261 in words is "one million, two hundred forty-four thousand, two hundred sixty-one".