1340112 has 20 divisors (see below), whose sum is σ = 3462080. Its totient is φ = 446688.

The previous prime is 1340107. The next prime is 1340113. The reversal of 1340112 is 2110431.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340113) 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, 13912 + ... + 14007.

It is an arithmetic number, because the mean of its divisors is an integer number (173104).

2^1340112 is an apocalyptic number.

1340112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340112 is an abundant number, since it is smaller than the sum of its proper divisors (2121968).

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

1340112 is a wasteful number, since it uses less digits than its factorization.

1340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27930 (or 27924 counting only the distinct ones).

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

The square root of 1340112 is about 1157.6320659000. The cubic root of 1340112 is about 110.2504486281.

Adding to 1340112 its reverse (2110431), we get a palindrome (3450543).

The spelling of 1340112 in words is "one million, three hundred forty thousand, one hundred twelve".