1230606 has 32 divisors (see below), whose sum is σ = 2946720. Its totient is φ = 378432.

The previous prime is 1230599. The next prime is 1230629. The reversal of 1230606 is 6060321.

It is a happy number.

It is a super-2 number, since 2×1230606² = 3028782254472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (92085).

2^1230606 is an apocalyptic number.

1230606 is an abundant number, since it is smaller than the sum of its proper divisors (1716114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230606 is a wasteful number, since it uses less digits than its factorization.

1230606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1771 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1230606 is about 1109.3268228976. The cubic root of 1230606 is about 107.1617201075.

Adding to 1230606 its reverse (6060321), we get a palindrome (7290927).

The spelling of 1230606 in words is "one million, two hundred thirty thousand, six hundred six".