1264451 has 2 divisors, whose sum is σ = 1264452. Its totient is φ = 1264450.

The previous prime is 1264447. The next prime is 1264499. The reversal of 1264451 is 1544621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264451 - 2² = 1264447 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1264411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632225 + 632226.

It is an arithmetic number, because the mean of its divisors is an integer number (632226).

2^1264451 is an apocalyptic number.

1264451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264451 is an equidigital number, since it uses as much as digits as its factorization.

1264451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 1264451 is about 1124.4781011652. The cubic root of 1264451 is about 108.1352614806.

The spelling of 1264451 in words is "one million, two hundred sixty-four thousand, four hundred fifty-one".