1251244 has 12 divisors (see below), whose sum is σ = 2211664. Its totient is φ = 619344.

The previous prime is 1251227. The next prime is 1251247. The reversal of 1251244 is 4421521.

It is a super-2 number, since 2×1251244² = 3131223095072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1251247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1107 + ... + 1930.

2^1251244 is an apocalyptic number.

It is an amenable number.

1251244 is a deficient number, since it is larger than the sum of its proper divisors (960420).

1251244 is a wasteful number, since it uses less digits than its factorization.

1251244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144 (or 3142 counting only the distinct ones).

The product of its digits is 320, while the sum is 19.

The square root of 1251244 is about 1118.5901841157. The cubic root of 1251244 is about 107.7574575437.

Adding to 1251244 its reverse (4421521), we get a palindrome (5672765).

It can be divided in two parts, 125 and 1244, that added together give a square (1369 = 37²).

The spelling of 1251244 in words is "one million, two hundred fifty-one thousand, two hundred forty-four".