1200231 has 8 divisors (see below), whose sum is σ = 1778160. Its totient is φ = 800136.

The previous prime is 1200191. The next prime is 1200233. The reversal of 1200231 is 1320021.

It is a happy number.

It is not a de Polignac number, because 1200231 - 2⁶ = 1200167 is a prime.

It is a super-2 number, since 2×1200231² = 2881108906722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200233) 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, 22200 + ... + 22253.

It is an arithmetic number, because the mean of its divisors is an integer number (222270).

2^1200231 is an apocalyptic number.

1200231 is a deficient number, since it is larger than the sum of its proper divisors (577929).

1200231 is an equidigital number, since it uses as much as digits as its factorization.

1200231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44462 (or 44456 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1200231 is about 1095.5505465290. The cubic root of 1200231 is about 106.2726752066.

Adding to 1200231 its reverse (1320021), we get a palindrome (2520252).

It can be divided in two parts, 1200 and 231, that added together give a triangular number (1431 = T₅₃).

The spelling of 1200231 in words is "one million, two hundred thousand, two hundred thirty-one".