1421112 has 64 divisors (see below), whose sum is σ = 4435200. Its totient is φ = 368640.

The previous prime is 1421099. The next prime is 1421113. The reversal of 1421112 is 2111241.

It is a happy number.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421113) 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, 1464 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2^1421112 is an apocalyptic number.

1421112 is a gapful number since it is divisible by the number (12) 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 1421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2217600).

1421112 is an abundant number, since it is smaller than the sum of its proper divisors (3014088).

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

1421112 is a wasteful number, since it uses less digits than its factorization.

1421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 792 counting only the distinct ones).

The product of its digits is 16, while the sum is 12.

The square root of 1421112 is about 1192.1040223068. The cubic root of 1421112 is about 112.4284186615.

Adding to 1421112 its reverse (2111241), we get a palindrome (3532353).

The spelling of 1421112 in words is "one million, four hundred twenty-one thousand, one hundred twelve".