1431026 has 8 divisors (see below), whose sum is σ = 2272860. Its totient is φ = 673408.

The previous prime is 1431013. The next prime is 1431029. The reversal of 1431026 is 6201341.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 330625 = 1049^2 + 575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1430995 and 1431013.

It is not an unprimeable number, because it can be changed into a prime (1431029) 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 3 ways as a sum of consecutive naturals, for example, 21011 + ... + 21078.

2^1431026 is an apocalyptic number.

1431026 is a deficient number, since it is larger than the sum of its proper divisors (841834).

1431026 is a wasteful number, since it uses less digits than its factorization.

1431026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42108.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1431026 is about 1196.2549895403. The cubic root of 1431026 is about 112.6892551063.

Adding to 1431026 its reverse (6201341), we get a palindrome (7632367).

The spelling of 1431026 in words is "one million, four hundred thirty-one thousand, twenty-six".