1244724 has 48 divisors (see below), whose sum is σ = 3198720. Its totient is φ = 374400.

The previous prime is 1244713. The next prime is 1244729. The reversal of 1244724 is 4274421.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1244694 and 1244703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244729) 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, 12274 + ... + 12374.

It is an arithmetic number, because the mean of its divisors is an integer number (66640).

2^1244724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1599360).

1244724 is an abundant number, since it is smaller than the sum of its proper divisors (1953996).

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

1244724 is a wasteful number, since it uses less digits than its factorization.

1244724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 198 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 1244724 is about 1115.6719948085. The cubic root of 1244724 is about 107.5699634702.

The spelling of 1244724 in words is "one million, two hundred forty-four thousand, seven hundred twenty-four".