1244943 has 24 divisors (see below), whose sum is σ = 2147760. Its totient is φ = 710640.

The previous prime is 1244923. The next prime is 1244953. The reversal of 1244943 is 3494421.

It is not a de Polignac number, because 1244943 - 2⁵ = 1244911 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1244943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (89490).

2^1244943 is an apocalyptic number.

1244943 is a deficient number, since it is larger than the sum of its proper divisors (902817).

1244943 is an equidigital number, since it uses as much as digits as its factorization.

1244943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 951 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1244943 is about 1115.7701376180. The cubic root of 1244943 is about 107.5762718139.

It can be divided in two parts, 1244 and 943, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1244943 in words is "one million, two hundred forty-four thousand, nine hundred forty-three".