1231353 has 24 divisors (see below), whose sum is σ = 1886976. Its totient is φ = 772800.

The previous prime is 1231339. The next prime is 1231357. The reversal of 1231353 is 3531321.

It is not a de Polignac number, because 1231353 - 2⁴ = 1231337 is a prime.

1231353 is a modest number, since divided by 1353 gives 123 as remainder.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17308 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2^1231353 is an apocalyptic number.

It is an amenable number.

1231353 is a deficient number, since it is larger than the sum of its proper divisors (655623).

1231353 is a wasteful number, since it uses less digits than its factorization.

1231353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 162 counting only the distinct ones).

The product of its digits is 270, while the sum is 18.

The square root of 1231353 is about 1109.6634624966. The cubic root of 1231353 is about 107.1833987528.

Adding to 1231353 its reverse (3531321), we get a palindrome (4762674).

Subtracting 1231353 from its reverse (3531321), we obtain a cube (2299968 = 132³).

The spelling of 1231353 in words is "one million, two hundred thirty-one thousand, three hundred fifty-three".