1254251 has 2 divisors, whose sum is σ = 1254252. Its totient is φ = 1254250.

The previous prime is 1254241. The next prime is 1254257. The reversal of 1254251 is 1524521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1254251 - 2¹⁴ = 1237867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254257) 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, 627125 + 627126.

It is an arithmetic number, because the mean of its divisors is an integer number (627126).

2^1254251 is an apocalyptic number.

1254251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254251 is an equidigital number, since it uses as much as digits as its factorization.

1254251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 20.

The square root of 1254251 is about 1119.9334801675. The cubic root of 1254251 is about 107.8437096931.

Adding to 1254251 its reverse (1524521), we get a palindrome (2778772).

The spelling of 1254251 in words is "one million, two hundred fifty-four thousand, two hundred fifty-one".