1254647 has 2 divisors, whose sum is σ = 1254648. Its totient is φ = 1254646.

The previous prime is 1254637. The next prime is 1254653. The reversal of 1254647 is 7464521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1254647 - 2¹² = 1250551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627323 + 627324.

It is an arithmetic number, because the mean of its divisors is an integer number (627324).

2^1254647 is an apocalyptic number.

1254647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254647 is an equidigital number, since it uses as much as digits as its factorization.

1254647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 1254647 is about 1120.1102624296. The cubic root of 1254647 is about 107.8550581965.

The spelling of 1254647 in words is "one million, two hundred fifty-four thousand, six hundred forty-seven".