1244772 has 36 divisors (see below), whose sum is σ = 3197376. Its totient is φ = 408240.

The previous prime is 1244759. The next prime is 1244777. The reversal of 1244772 is 2774421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1244777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2313 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (88816).

2^1244772 is an apocalyptic number.

1244772 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 1244772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598688).

1244772 is an abundant number, since it is smaller than the sum of its proper divisors (1952604).

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

1244772 is a wasteful number, since it uses less digits than its factorization.

1244772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 563 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1244772 is about 1115.6935063000. The cubic root of 1244772 is about 107.5713461842.

It can be divided in two parts, 1244 and 772, that added together give a triangular number (2016 = T₆₃).

The spelling of 1244772 in words is "one million, two hundred forty-four thousand, seven hundred seventy-two".