1231352 has 16 divisors (see below), whose sum is σ = 2430600. Its totient is φ = 583200.

The previous prime is 1231339. The next prime is 1231357. The reversal of 1231352 is 2531321.

It is a self number, because there is not a number n which added to its sum of digits gives 1231352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3899 + ... + 4202.

2^1231352 is an apocalyptic number.

It is an amenable number.

1231352 is a deficient number, since it is larger than the sum of its proper divisors (1199248).

1231352 is a wasteful number, since it uses less digits than its factorization.

1231352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126 (or 8122 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 1231352 is about 1109.6630119095. The cubic root of 1231352 is about 107.1833697377.

Adding to 1231352 its reverse (2531321), we get a palindrome (3762673).

The spelling of 1231352 in words is "one million, two hundred thirty-one thousand, three hundred fifty-two".