1431104 has 28 divisors (see below), whose sum is σ = 2895600. Its totient is φ = 701568.

The previous prime is 1431097. The next prime is 1431107. The reversal of 1431104 is 4011341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1431107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3587 + ... + 3965.

2^1431104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1447800).

1431104 is an abundant number, since it is smaller than the sum of its proper divisors (1464496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431104 is an equidigital number, since it uses as much as digits as its factorization.

1431104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1431104 is about 1196.2875908409. The cubic root of 1431104 is about 112.6913024956.

Adding to 1431104 its reverse (4011341), we get a palindrome (5442445).

The spelling of 1431104 in words is "one million, four hundred thirty-one thousand, one hundred four".