1012289 has 2 divisors, whose sum is σ = 1012290. Its totient is φ = 1012288.

The previous prime is 1012279. The next prime is 1012307. The reversal of 1012289 is 9822101.

1012289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 339889 = 820^2 + 583^2 .

It is an emirp because it is prime and its reverse (9822101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012289 - 2¹² = 1008193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506144 + 506145.

It is an arithmetic number, because the mean of its divisors is an integer number (506145).

2^1012289 is an apocalyptic number.

It is an amenable number.

1012289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012289 is an equidigital number, since it uses as much as digits as its factorization.

1012289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1012289 is about 1006.1257376690. The cubic root of 1012289 is about 100.4079667017.

The spelling of 1012289 in words is "one million, twelve thousand, two hundred eighty-nine".