115204399 has 2 divisors, whose sum is σ = 115204400. Its totient is φ = 115204398.

The previous prime is 115204373. The next prime is 115204409. The reversal of 115204399 is 993402511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115204399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115204319) 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, 57602199 + 57602200.

It is an arithmetic number, because the mean of its divisors is an integer number (57602200).

Almost surely, 2^115204399 is an apocalyptic number.

115204399 is a deficient number, since it is larger than the sum of its proper divisors (1).

115204399 is an equidigital number, since it uses as much as digits as its factorization.

115204399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 115204399 is about 10733.3312163559. The cubic root of 115204399 is about 486.5823529945.

The spelling of 115204399 in words is "one hundred fifteen million, two hundred four thousand, three hundred ninety-nine".