104520261 has 8 divisors (see below), whose sum is σ = 139442464. Its totient is φ = 69639120.

The previous prime is 104520253. The next prime is 104520271. The reversal of 104520261 is 162025401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104520261 - 2³ = 104520253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104520271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730 + ... + 14931.

It is an arithmetic number, because the mean of its divisors is an integer number (17430308).

Almost surely, 2^104520261 is an apocalyptic number.

It is an amenable number.

104520261 is a deficient number, since it is larger than the sum of its proper divisors (34922203).

104520261 is a wasteful number, since it uses less digits than its factorization.

104520261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20531.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 104520261 is about 10223.5151000035. The cubic root of 104520261 is about 471.0498051831.

Adding to 104520261 its reverse (162025401), we get a palindrome (266545662).

The spelling of 104520261 in words is "one hundred four million, five hundred twenty thousand, two hundred sixty-one".