1941281 has 4 divisors (see below), whose sum is σ = 2055492. Its totient is φ = 1827072.

The previous prime is 1941263. The next prime is 1941293. The reversal of 1941281 is 1821491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1821491 = 7 ⋅260213.

It can be written as a sum of positive squares in 2 ways, for example, as 1600225 + 341056 = 1265^2 + 584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1941281 is a prime.

It is a super-2 number, since 2×1941281² = 7537143841922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 1941281.

It is not an unprimeable number, because it can be changed into a prime (1941221) 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, 57080 + ... + 57113.

It is an arithmetic number, because the mean of its divisors is an integer number (513873).

2^1941281 is an apocalyptic number.

It is an amenable number.

1941281 is a deficient number, since it is larger than the sum of its proper divisors (114211).

1941281 is a wasteful number, since it uses less digits than its factorization.

1941281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114210.

The product of its digits is 576, while the sum is 26.

The square root of 1941281 is about 1393.2986040329. The cubic root of 1941281 is about 124.7468155272.

It can be divided in two parts, 1941 and 281, that added together give a palindrome (2222).

The spelling of 1941281 in words is "one million, nine hundred forty-one thousand, two hundred eighty-one".