1255451 has 2 divisors, whose sum is σ = 1255452. Its totient is φ = 1255450.

The previous prime is 1255427. The next prime is 1255453. The reversal of 1255451 is 1545521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255451 - 2¹⁰ = 1254427 is a prime.

It is a Sophie Germain prime.

Together with 1255453, 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 (1255453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627725 + 627726.

It is an arithmetic number, because the mean of its divisors is an integer number (627726).

2^1255451 is an apocalyptic number.

1255451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255451 is an equidigital number, since it uses as much as digits as its factorization.

1255451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000, while the sum is 23.

The square root of 1255451 is about 1120.4690981906. The cubic root of 1255451 is about 107.8780917537.

The spelling of 1255451 in words is "one million, two hundred fifty-five thousand, four hundred fifty-one".