1431243 has 32 divisors (see below), whose sum is σ = 2380800. Its totient is φ = 842400.

The previous prime is 1431223. The next prime is 1431253. The reversal of 1431243 is 3421341.

1431243 = 2⁴ + 3⁴ + ... + 23⁴.

It is not a de Polignac number, because 1431243 - 2⁵ = 1431211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1431203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18078 + ... + 18156.

It is an arithmetic number, because the mean of its divisors is an integer number (74400).

2^1431243 is an apocalyptic number.

1431243 is a deficient number, since it is larger than the sum of its proper divisors (949557).

1431243 is a wasteful number, since it uses less digits than its factorization.

1431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 154 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1431243 is about 1196.3456858283. The cubic root of 1431243 is about 112.6949508641.

Adding to 1431243 its reverse (3421341), we get a palindrome (4852584).

The spelling of 1431243 in words is "one million, four hundred thirty-one thousand, two hundred forty-three".