1173928499 has 2 divisors, whose sum is σ = 1173928500. Its totient is φ = 1173928498.

The previous prime is 1173928453. The next prime is 1173928501. The reversal of 1173928499 is 9948293711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173928499 - 2¹² = 1173924403 is a prime.

Together with 1173928501, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1173928499.

It is not a weakly prime, because it can be changed into another prime (1173928409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586964249 + 586964250.

It is an arithmetic number, because the mean of its divisors is an integer number (586964250).

Almost surely, 2^1173928499 is an apocalyptic number.

1173928499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173928499 is an equidigital number, since it uses as much as digits as its factorization.

1173928499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 53.

The square root of 1173928499 is about 34262.6399887691. The cubic root of 1173928499 is about 1054.9062902772.

The spelling of 1173928499 in words is "one billion, one hundred seventy-three million, nine hundred twenty-eight thousand, four hundred ninety-nine".