104101261 has 6 divisors (see below), whose sum is σ = 114425486. Its totient is φ = 94637400.

The previous prime is 104101259. The next prime is 104101279. The reversal of 104101261 is 162101401.

It can be written as a sum of positive squares in only one way, i.e., 102637161 + 1464100 = 10131^2 + 1210^2 .

It is not a de Polignac number, because 104101261 - 2¹ = 104101259 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 (104101201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 430050 + ... + 430291.

Almost surely, 2^104101261 is an apocalyptic number.

104101261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104101261 is a deficient number, since it is larger than the sum of its proper divisors (10324225).

104101261 is an equidigital number, since it uses as much as digits as its factorization.

104101261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860363 (or 860352 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 104101261 is about 10203.0025482698. The cubic root of 104101261 is about 470.4195152798.

Adding to 104101261 its reverse (162101401), we get a palindrome (266202662).

The spelling of 104101261 in words is "one hundred four million, one hundred one thousand, two hundred sixty-one".