1250281 has 2 divisors, whose sum is σ = 1250282. Its totient is φ = 1250280.

The previous prime is 1250273. The next prime is 1250297. The reversal of 1250281 is 1820521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 7056 = 1115^2 + 84^2 .

It is an emirp because it is prime and its reverse (1820521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1250281 - 2³ = 1250273 is a prime.

It is a super-2 number, since 2×1250281² = 3126405157922, which contains 22 as substring.

It is a Chen prime.

1250281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1250201) 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 as a sum of consecutive naturals, namely, 625140 + 625141.

It is an arithmetic number, because the mean of its divisors is an integer number (625141).

2^1250281 is an apocalyptic number.

It is an amenable number.

1250281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250281 is an equidigital number, since it uses as much as digits as its factorization.

1250281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1250281 is about 1118.1596487085. The cubic root of 1250281 is about 107.7298058455.

The spelling of 1250281 in words is "one million, two hundred fifty thousand, two hundred eighty-one".