1302281 has 2 divisors, whose sum is σ = 1302282. Its totient is φ = 1302280.

The previous prime is 1302277. The next prime is 1302293. The reversal of 1302281 is 1822031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 400 = 1141^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302281 - 2² = 1302277 is a prime.

It is a super-2 number, since 2×1302281² = 3391871605922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1302221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651140 + 651141.

It is an arithmetic number, because the mean of its divisors is an integer number (651141).

2^1302281 is an apocalyptic number.

It is an amenable number.

1302281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302281 is an equidigital number, since it uses as much as digits as its factorization.

1302281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1302281 is about 1141.1752713760. The cubic root of 1302281 is about 109.2030835001.

The spelling of 1302281 in words is "one million, three hundred two thousand, two hundred eighty-one".