103967999 has 4 divisors (see below), whose sum is σ = 104002560. Its totient is φ = 103933440.

The previous prime is 103967953. The next prime is 103968001. The reversal of 103967999 is 999769301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103967999 - 2¹² = 103963903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103967999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103967909) 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 in 3 ways as a sum of consecutive naturals, for example, 12287 + ... + 18944.

It is an arithmetic number, because the mean of its divisors is an integer number (26000640).

Almost surely, 2^103967999 is an apocalyptic number.

103967999 is a deficient number, since it is larger than the sum of its proper divisors (34561).

103967999 is an equidigital number, since it uses as much as digits as its factorization.

103967999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34560.

The product of its (nonzero) digits is 826686, while the sum is 53.

The square root of 103967999 is about 10196.4699283625. The cubic root of 103967999 is about 470.2186985824.

The spelling of 103967999 in words is "one hundred three million, nine hundred sixty-seven thousand, nine hundred ninety-nine".