1146281 has 2 divisors, whose sum is σ = 1146282. Its totient is φ = 1146280.

The previous prime is 1146263. The next prime is 1146307. The reversal of 1146281 is 1826411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 234256 = 955^2 + 484^2 .

It is an emirp because it is prime and its reverse (1826411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1146281 - 2⁶ = 1146217 is a prime.

It is a super-2 number, since 2×1146281² = 2627920261922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573140 + 573141.

It is an arithmetic number, because the mean of its divisors is an integer number (573141).

2^1146281 is an apocalyptic number.

It is an amenable number.

1146281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146281 is an equidigital number, since it uses as much as digits as its factorization.

1146281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 23.

The square root of 1146281 is about 1070.6451326186. The cubic root of 1146281 is about 104.6558954571.

The spelling of 1146281 in words is "one million, one hundred forty-six thousand, two hundred eighty-one".