1431117 has 6 divisors (see below), whose sum is σ = 2067182. Its totient is φ = 954072.

The previous prime is 1431113. The next prime is 1431119. The reversal of 1431117 is 7111341.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 145161 = 1134^2 + 381^2 .

It is not a de Polignac number, because 1431117 - 2² = 1431113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1431117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79498 + ... + 79515.

2^1431117 is an apocalyptic number.

It is an amenable number.

1431117 is a deficient number, since it is larger than the sum of its proper divisors (636065).

1431117 is a wasteful number, since it uses less digits than its factorization.

1431117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159019 (or 159016 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 1431117 is about 1196.2930243047. The cubic root of 1431117 is about 112.6916437200.

Adding to 1431117 its reverse (7111341), we get a palindrome (8542458).

The spelling of 1431117 in words is "one million, four hundred thirty-one thousand, one hundred seventeen".