103159919 has 4 divisors (see below), whose sum is σ = 103180896. Its totient is φ = 103138944.

The previous prime is 103159913. The next prime is 103159921. The reversal of 103159919 is 919951301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103159919 is a prime.

It is a super-2 number, since 2×103159919² = 21283937776173122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103159913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1322 + ... + 14424.

It is an arithmetic number, because the mean of its divisors is an integer number (25795224).

Almost surely, 2^103159919 is an apocalyptic number.

103159919 is a deficient number, since it is larger than the sum of its proper divisors (20977).

103159919 is an equidigital number, since it uses as much as digits as its factorization.

103159919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20976.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 103159919 is about 10156.7671529872. The cubic root of 103159919 is about 468.9972873822.

The spelling of 103159919 in words is "one hundred three million, one hundred fifty-nine thousand, nine hundred nineteen".