1254863 has 2 divisors, whose sum is σ = 1254864. Its totient is φ = 1254862.

The previous prime is 1254839. The next prime is 1254899. The reversal of 1254863 is 3684521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1254863 - 2⁸ = 1254607 is a prime.

It is a super-2 number, since 2×1254863² = 3149362297538, which contains 22 as substring.

It is equal to p₉₆₈₀₆ and since 1254863 and 96806 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627431 + 627432.

It is an arithmetic number, because the mean of its divisors is an integer number (627432).

2^1254863 is an apocalyptic number.

1254863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254863 is an equidigital number, since it uses as much as digits as its factorization.

1254863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 29.

The square root of 1254863 is about 1120.2066773591. The cubic root of 1254863 is about 107.8612472828.

The spelling of 1254863 in words is "one million, two hundred fifty-four thousand, eight hundred sixty-three".