1241281 has 4 divisors (see below), whose sum is σ = 1270192. Its totient is φ = 1212372.

The previous prime is 1241269. The next prime is 1241291. The reversal of 1241281 is 1821421.

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 1241281 - 2⁵ = 1241249 is a prime.

It is a super-2 number, since 2×1241281² = 3081557041922, which contains 22 as substring.

It is a Duffinian number.

1241281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1241291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14391 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (317548).

2^1241281 is an apocalyptic number.

It is an amenable number.

1241281 is a deficient number, since it is larger than the sum of its proper divisors (28911).

1241281 is an equidigital number, since it uses as much as digits as its factorization.

1241281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28910.

The product of its digits is 128, while the sum is 19.

The square root of 1241281 is about 1114.1279100714. The cubic root of 1241281 is about 107.4706896836.

The spelling of 1241281 in words is "one million, two hundred forty-one thousand, two hundred eighty-one".