1262281 has 2 divisors, whose sum is σ = 1262282. Its totient is φ = 1262280.

The previous prime is 1262269. The next prime is 1262291. The reversal of 1262281 is 1822621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 32400 = 1109^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1262281 - 2⁹ = 1261769 is a prime.

It is a super-2 number, since 2×1262281² = 3186706645922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1262221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631140 + 631141.

It is an arithmetic number, because the mean of its divisors is an integer number (631141).

2^1262281 is an apocalyptic number.

It is an amenable number.

1262281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1262281 is an equidigital number, since it uses as much as digits as its factorization.

1262281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 22.

The square root of 1262281 is about 1123.5127947647. The cubic root of 1262281 is about 108.0733669298.

The spelling of 1262281 in words is "one million, two hundred sixty-two thousand, two hundred eighty-one".