103244819 has 4 divisors (see below), whose sum is σ = 103295400. Its totient is φ = 103194240.

The previous prime is 103244809. The next prime is 103244857. The reversal of 103244819 is 918442301.

It is a happy number.

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 103244819 - 2⁸ = 103244563 is a prime.

It is a super-2 number, since 2×103244819² = 21318985300685522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103244809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22094 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (25823850).

Almost surely, 2^103244819 is an apocalyptic number.

103244819 is a deficient number, since it is larger than the sum of its proper divisors (50581).

103244819 is an equidigital number, since it uses as much as digits as its factorization.

103244819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50580.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 103244819 is about 10160.9457729091. The cubic root of 103244819 is about 469.1259127624.

The spelling of 103244819 in words is "one hundred three million, two hundred forty-four thousand, eight hundred nineteen".