1244016 has 60 divisors (see below), whose sum is σ = 3568968. Its totient is φ = 404352.

The previous prime is 1244003. The next prime is 1244021. The reversal of 1244016 is 6104421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1244016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7551 + ... + 7713.

2^1244016 is an apocalyptic number.

1244016 is a gapful number since it is divisible by the number (16) 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 1244016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784484).

1244016 is an abundant number, since it is smaller than the sum of its proper divisors (2324952).

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

1244016 is a wasteful number, since it uses less digits than its factorization.

1244016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1244016 is about 1115.3546521174. The cubic root of 1244016 is about 107.5495643084.

Adding to 1244016 its reverse (6104421), we get a palindrome (7348437).

The spelling of 1244016 in words is "one million, two hundred forty-four thousand, sixteen".