1230005 has 16 divisors (see below), whose sum is σ = 1707264. Its totient is φ = 833280.

The previous prime is 1229999. The next prime is 1230013. The reversal of 1230005 is 5000321.

It is not a de Polignac number, because 1230005 - 2⁶ = 1229941 is a prime.

It is a Duffinian number.

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, 3800 + ... + 4110.

It is an arithmetic number, because the mean of its divisors is an integer number (106704).

2^1230005 is an apocalyptic number.

It is an amenable number.

1230005 is a deficient number, since it is larger than the sum of its proper divisors (477259).

1230005 is a wasteful number, since it uses less digits than its factorization.

1230005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1230005 is about 1109.0559048127. The cubic root of 1230005 is about 107.1442721506.

Adding to 1230005 its reverse (5000321), we get a palindrome (6230326).

The spelling of 1230005 in words is "one million, two hundred thirty thousand, five".