103204919 has 2 divisors, whose sum is σ = 103204920. Its totient is φ = 103204918.

The previous prime is 103204901. The next prime is 103204963. The reversal of 103204919 is 919402301.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103204919 - 2²⁰ = 102156343 is a prime.

It is a super-2 number, since 2×103204919² = 21302510611593122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103204891 and 103204900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103204019) 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 as a sum of consecutive naturals, namely, 51602459 + 51602460.

It is an arithmetic number, because the mean of its divisors is an integer number (51602460).

Almost surely, 2^103204919 is an apocalyptic number.

103204919 is a deficient number, since it is larger than the sum of its proper divisors (1).

103204919 is an equidigital number, since it uses as much as digits as its factorization.

103204919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 103204919 is about 10158.9821832701. The cubic root of 103204919 is about 469.0654721647.

The spelling of 103204919 in words is "one hundred three million, two hundred four thousand, nine hundred nineteen".