1431120 has 80 divisors (see below), whose sum is σ = 4553280. Its totient is φ = 371712.

The previous prime is 1431119. The next prime is 1431127. The reversal of 1431120 is 211341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1431096 and 1431105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16036 + ... + 16124.

It is an arithmetic number, because the mean of its divisors is an integer number (56916).

2^1431120 is an apocalyptic number.

1431120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2276640).

1431120 is an abundant number, since it is smaller than the sum of its proper divisors (3122160).

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

1431120 is a wasteful number, since it uses less digits than its factorization.

1431120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1431120 is about 1196.2942781774. The cubic root of 1431120 is about 112.6917224637.

Adding to 1431120 its reverse (211341), we get a palindrome (1642461).

It can be divided in two parts, 1431 and 120, that added together give a palindrome (1551).

The spelling of 1431120 in words is "one million, four hundred thirty-one thousand, one hundred twenty".