1244072 has 8 divisors (see below), whose sum is σ = 2332650. Its totient is φ = 622032.

The previous prime is 1244059. The next prime is 1244083. The reversal of 1244072 is 2704421.

It can be written as a sum of positive squares in only one way, i.e., 988036 + 256036 = 994^2 + 506^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77747 + ... + 77762.

2^1244072 is an apocalyptic number.

It is an amenable number.

1244072 is a deficient number, since it is larger than the sum of its proper divisors (1088578).

1244072 is a wasteful number, since it uses less digits than its factorization.

1244072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155515 (or 155511 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1244072 is about 1115.3797559576. The cubic root of 1244072 is about 107.5511780833.

Adding to 1244072 its reverse (2704421), we get a palindrome (3948493).

The spelling of 1244072 in words is "one million, two hundred forty-four thousand, seventy-two".