1244271 has 16 divisors (see below), whose sum is σ = 1912064. Its totient is φ = 705024.

The previous prime is 1244263. The next prime is 1244279. The reversal of 1244271 is 1724421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1244263) and next prime (1244279).

It is not a de Polignac number, because 1244271 - 2³ = 1244263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244279) 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, 3900 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (119504).

2^1244271 is an apocalyptic number.

1244271 is a deficient number, since it is larger than the sum of its proper divisors (667793).

1244271 is a wasteful number, since it uses less digits than its factorization.

1244271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its digits is 448, while the sum is 21.

The square root of 1244271 is about 1115.4689596757. The cubic root of 1244271 is about 107.5569123557.

Adding to 1244271 its reverse (1724421), we get a palindrome (2968692).

The spelling of 1244271 in words is "one million, two hundred forty-four thousand, two hundred seventy-one".