1230646 has 8 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 612408.

The previous prime is 1230637. The next prime is 1230667. The reversal of 1230646 is 6460321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 886 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (231840).

2^1230646 is an apocalyptic number.

1230646 is a deficient number, since it is larger than the sum of its proper divisors (624074).

1230646 is a wasteful number, since it uses less digits than its factorization.

1230646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1230646 is about 1109.3448517030. The cubic root of 1230646 is about 107.1628811675.

Adding to 1230646 its reverse (6460321), we get a palindrome (7690967).

The spelling of 1230646 in words is "one million, two hundred thirty thousand, six hundred forty-six".