1283129 has 2 divisors, whose sum is σ = 1283130. Its totient is φ = 1283128.

The previous prime is 1283119. The next prime is 1283137. The reversal of 1283129 is 9213821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 946729 + 336400 = 973^2 + 580^2 .

It is an emirp because it is prime and its reverse (9213821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283129 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1283098 and 1283107.

It is not a weakly prime, because it can be changed into another prime (1283119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641564 + 641565.

It is an arithmetic number, because the mean of its divisors is an integer number (641565).

2^1283129 is an apocalyptic number.

It is an amenable number.

1283129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283129 is an equidigital number, since it uses as much as digits as its factorization.

1283129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 1283129 is about 1132.7528415325. The cubic root of 1283129 is about 108.6651057190.

The spelling of 1283129 in words is "one million, two hundred eighty-three thousand, one hundred twenty-nine".