1272241 has 4 divisors (see below), whose sum is σ = 1301872. Its totient is φ = 1242612.

The previous prime is 1272233. The next prime is 1272247. The reversal of 1272241 is 1422721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1272241 - 2³ = 1272233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272247) 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, 14751 + ... + 14836.

It is an arithmetic number, because the mean of its divisors is an integer number (325468).

2^1272241 is an apocalyptic number.

It is an amenable number.

1272241 is a deficient number, since it is larger than the sum of its proper divisors (29631).

1272241 is an equidigital number, since it uses as much as digits as its factorization.

1272241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29630.

The product of its digits is 224, while the sum is 19.

The square root of 1272241 is about 1127.9366116941. The cubic root of 1272241 is about 108.3568727284.

Adding to 1272241 its reverse (1422721), we get a palindrome (2694962).

The spelling of 1272241 in words is "one million, two hundred seventy-two thousand, two hundred forty-one".