1200331 has 4 divisors (see below), whose sum is σ = 1309464. Its totient is φ = 1091200.

The previous prime is 1200323. The next prime is 1200341. The reversal of 1200331 is 1330021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1200331 - 2³ = 1200323 is a prime.

It is a super-2 number, since 2×1200331² = 2881589019122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54550 + ... + 54571.

It is an arithmetic number, because the mean of its divisors is an integer number (327366).

2^1200331 is an apocalyptic number.

1200331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1200331 is a deficient number, since it is larger than the sum of its proper divisors (109133).

1200331 is a wasteful number, since it uses less digits than its factorization.

1200331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109132.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1200331 is about 1095.5961847323. The cubic root of 1200331 is about 106.2756265752.

Adding to 1200331 its reverse (1330021), we get a palindrome (2530352).

The spelling of 1200331 in words is "one million, two hundred thousand, three hundred thirty-one".