104612261 has 4 divisors (see below), whose sum is σ = 112659372. Its totient is φ = 96565152.

The previous prime is 104612239. The next prime is 104612273. The reversal of 104612261 is 162216401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9647236 + 94965025 = 3106^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 104612261 - 2²² = 100417957 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 (104612231) 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, 4023536 + ... + 4023561.

It is an arithmetic number, because the mean of its divisors is an integer number (28164843).

Almost surely, 2^104612261 is an apocalyptic number.

It is an amenable number.

104612261 is a deficient number, since it is larger than the sum of its proper divisors (8047111).

104612261 is an equidigital number, since it uses as much as digits as its factorization.

104612261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047110.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 104612261 is about 10228.0135412503. The cubic root of 104612261 is about 471.1879725672.

Adding to 104612261 its reverse (162216401), we get a palindrome (266828662).

The spelling of 104612261 in words is "one hundred four million, six hundred twelve thousand, two hundred sixty-one".