1129184249 has 2 divisors, whose sum is σ = 1129184250. Its totient is φ = 1129184248.

The previous prime is 1129184219. The next prime is 1129184279. The reversal of 1129184249 is 9424819211.

It is a balanced prime because it is at equal distance from previous prime (1129184219) and next prime (1129184279).

It can be written as a sum of positive squares in only one way, i.e., 932203024 + 196981225 = 30532^2 + 14035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1129184249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1129184219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564592124 + 564592125.

It is an arithmetic number, because the mean of its divisors is an integer number (564592125).

Almost surely, 2^1129184249 is an apocalyptic number.

It is an amenable number.

1129184249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129184249 is an equidigital number, since it uses as much as digits as its factorization.

1129184249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 41.

The square root of 1129184249 is about 33603.3368729952. The cubic root of 1129184249 is about 1041.3297367681.

The spelling of 1129184249 in words is "one billion, one hundred twenty-nine million, one hundred eighty-four thousand, two hundred forty-nine".