1280941 has 4 divisors (see below), whose sum is σ = 1287772. Its totient is φ = 1274112.

The previous prime is 1280921. The next prime is 1280947. The reversal of 1280941 is 1490821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1490821 = 31 ⋅48091.

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 1155625 = 354^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1280941 - 2¹³ = 1272749 is a prime.

It is a Duffinian number.

1280941 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280947) 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, 3126 + ... + 3511.

It is an arithmetic number, because the mean of its divisors is an integer number (321943).

2^1280941 is an apocalyptic number.

It is an amenable number.

1280941 is a deficient number, since it is larger than the sum of its proper divisors (6831).

1280941 is an equidigital number, since it uses as much as digits as its factorization.

1280941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6830.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1280941 is about 1131.7866406704. The cubic root of 1280941 is about 108.6033050940.

The spelling of 1280941 in words is "one million, two hundred eighty thousand, nine hundred forty-one".