1244531 has 2 divisors, whose sum is σ = 1244532. Its totient is φ = 1244530.

The previous prime is 1244521. The next prime is 1244533. The reversal of 1244531 is 1354421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1244531 - 2¹⁴ = 1228147 is a prime.

It is a super-2 number, since 2×1244531² = 3097714819922, which contains 22 as substring.

Together with 1244533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1244533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622265 + 622266.

It is an arithmetic number, because the mean of its divisors is an integer number (622266).

2^1244531 is an apocalyptic number.

1244531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244531 is an equidigital number, since it uses as much as digits as its factorization.

1244531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 20.

The square root of 1244531 is about 1115.5854964995. The cubic root of 1244531 is about 107.5644034488.

Adding to 1244531 its reverse (1354421), we get a palindrome (2598952).

The spelling of 1244531 in words is "one million, two hundred forty-four thousand, five hundred thirty-one".