104143025 has 24 divisors (see below), whose sum is σ = 148056000. Its totient is φ = 71184960.

The previous prime is 104142979. The next prime is 104143027. The reversal of 104143025 is 520341401.

It is not a de Polignac number, because 104143025 - 2¹² = 104138929 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104142988 and 104143006.

It is not an unprimeable number, because it can be changed into a prime (104143027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68726 + ... + 70224.

It is an arithmetic number, because the mean of its divisors is an integer number (6169000).

Almost surely, 2^104143025 is an apocalyptic number.

It is an amenable number.

104143025 is a deficient number, since it is larger than the sum of its proper divisors (43912975).

104143025 is a wasteful number, since it uses less digits than its factorization.

104143025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 104143025 is about 10205.0489954728. The cubic root of 104143025 is about 470.4824154910.

Adding to 104143025 its reverse (520341401), we get a palindrome (624484426).

The spelling of 104143025 in words is "one hundred four million, one hundred forty-three thousand, twenty-five".