104780125 has 16 divisors (see below), whose sum is σ = 131053104. Its totient is φ = 83640000.

The previous prime is 104780119. The next prime is 104780131. The reversal of 104780125 is 521087401.

It is an interprime number because it is at equal distance from previous prime (104780119) and next prime (104780131).

It can be written as a sum of positive squares in 8 ways, for example, as 41641209 + 63138916 = 6453^2 + 7946^2 .

It is a de Polignac number, because none of the positive numbers 2^k-104780125 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104780093 and 104780102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102115 + ... + 103135.

It is an arithmetic number, because the mean of its divisors is an integer number (8190819).

Almost surely, 2^104780125 is an apocalyptic number.

It is an amenable number.

104780125 is a deficient number, since it is larger than the sum of its proper divisors (26272979).

104780125 is an equidigital number, since it uses as much as digits as its factorization.

104780125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 104780125 is about 10236.2163419889. The cubic root of 104780125 is about 471.4398653773.

The spelling of 104780125 in words is "one hundred four million, seven hundred eighty thousand, one hundred twenty-five".