1431162 has 32 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 448704.

The previous prime is 1431161. The next prime is 1431173. The reversal of 1431162 is 2611341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1431161) 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 15 ways as a sum of consecutive naturals, for example, 139 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (105300).

2^1431162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684800).

1431162 is an abundant number, since it is smaller than the sum of its proper divisors (1938438).

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

1431162 is a wasteful number, since it uses less digits than its factorization.

1431162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1581 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1431162 is about 1196.3118322578. The cubic root of 1431162 is about 112.6928248651.

The spelling of 1431162 in words is "one million, four hundred thirty-one thousand, one hundred sixty-two".