103240519 has 4 divisors (see below), whose sum is σ = 103268880. Its totient is φ = 103212160.

The previous prime is 103240513. The next prime is 103240523. The reversal of 103240519 is 915042301.

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 103240519 - 2⁷ = 103240391 is a prime.

It is a super-2 number, since 2×103240519² = 21317209526778722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103240493 and 103240502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103240513) 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, 7747 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (25817220).

Almost surely, 2^103240519 is an apocalyptic number.

103240519 is a deficient number, since it is larger than the sum of its proper divisors (28361).

103240519 is an equidigital number, since it uses as much as digits as its factorization.

103240519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28360.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 103240519 is about 10160.7341762296. The cubic root of 103240519 is about 469.1193998628.

The spelling of 103240519 in words is "one hundred three million, two hundred forty thousand, five hundred nineteen".