1129382417 has 2 divisors, whose sum is σ = 1129382418. Its totient is φ = 1129382416.

The previous prime is 1129382393. The next prime is 1129382491. The reversal of 1129382417 is 7142839211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129027201 + 355216 = 33601^2 + 596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1129382417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1129382017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564691208 + 564691209.

It is an arithmetic number, because the mean of its divisors is an integer number (564691209).

Almost surely, 2^1129382417 is an apocalyptic number.

It is an amenable number.

1129382417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129382417 is an equidigital number, since it uses as much as digits as its factorization.

1129382417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 1129382417 is about 33606.2853793751. The cubic root of 1129382417 is about 1041.3906498154.

The spelling of 1129382417 in words is "one billion, one hundred twenty-nine million, three hundred eighty-two thousand, four hundred seventeen".