1230635 has 12 divisors (see below), whose sum is σ = 1718208. Its totient is φ = 843696.

The previous prime is 1230631. The next prime is 1230637. The reversal of 1230635 is 5360321.

It is not a de Polignac number, because 1230635 - 2² = 1230631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2267 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (143184).

2^1230635 is an apocalyptic number.

1230635 is a deficient number, since it is larger than the sum of its proper divisors (487573).

1230635 is an equidigital number, since it uses as much as digits as its factorization.

1230635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1230635 is about 1109.3398938107. The cubic root of 1230635 is about 107.1625618785.

Adding to 1230635 its reverse (5360321), we get a palindrome (6590956).

The spelling of 1230635 in words is "one million, two hundred thirty thousand, six hundred thirty-five".