981201293 has 2 divisors, whose sum is σ = 981201294. Its totient is φ = 981201292.

The previous prime is 981201289. The next prime is 981201301. The reversal of 981201293 is 392102189.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969824164 + 11377129 = 31142^2 + 3373^2 .

It is an emirp because it is prime and its reverse (392102189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 981201293 - 2² = 981201289 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981201233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490600646 + 490600647.

It is an arithmetic number, because the mean of its divisors is an integer number (490600647).

Almost surely, 2^981201293 is an apocalyptic number.

It is an amenable number.

981201293 is a deficient number, since it is larger than the sum of its proper divisors (1).

981201293 is an equidigital number, since it uses as much as digits as its factorization.

981201293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 981201293 is about 31324.1327573486. The cubic root of 981201293 is about 993.6940833324.

The spelling of 981201293 in words is "nine hundred eighty-one million, two hundred one thousand, two hundred ninety-three".