1236230 has 16 divisors (see below), whose sum is σ = 2240784. Its totient is φ = 491040.

The previous prime is 1236229. The next prime is 1236233. The reversal of 1236230 is 326321.

It is a super-2 number, since 2×1236230² = 3056529225800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1236199 and 1236208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 2151.

It is an arithmetic number, because the mean of its divisors is an integer number (140049).

2^1236230 is an apocalyptic number.

1236230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1236230 is a deficient number, since it is larger than the sum of its proper divisors (1004554).

1236230 is a wasteful number, since it uses less digits than its factorization.

1236230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1236230 is about 1111.8588039855. The cubic root of 1236230 is about 107.3247188625.

Subtracting from 1236230 its reverse (326321), we obtain a palindrome (909909).

The spelling of 1236230 in words is "one million, two hundred thirty-six thousand, two hundred thirty".