1230863 has 2 divisors, whose sum is σ = 1230864. Its totient is φ = 1230862.

The previous prime is 1230829. The next prime is 1230869. The reversal of 1230863 is 3680321.

It is a strong prime.

It is an emirp because it is prime and its reverse (3680321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230863 - 2¹² = 1226767 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615431 + 615432.

It is an arithmetic number, because the mean of its divisors is an integer number (615432).

2^1230863 is an apocalyptic number.

1230863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230863 is an equidigital number, since it uses as much as digits as its factorization.

1230863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1230863 is about 1109.4426528667. The cubic root of 1230863 is about 107.1691794798.

The spelling of 1230863 in words is "one million, two hundred thirty thousand, eight hundred sixty-three".