260405101 has 8 divisors (see below), whose sum is σ = 284844384. Its totient is φ = 236093520.

The previous prime is 260405077. The next prime is 260405107. The reversal of 260405101 is 101504062.

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

It is a cyclic number.

It is not a de Polignac number, because 260405101 - 2¹³ = 260396909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260405107) 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, 27631 + ... + 35836.

It is an arithmetic number, because the mean of its divisors is an integer number (35605548).

Almost surely, 2^260405101 is an apocalyptic number.

It is an amenable number.

260405101 is a deficient number, since it is larger than the sum of its proper divisors (24439283).

260405101 is a wasteful number, since it uses less digits than its factorization.

260405101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63851.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 260405101 is about 16137.0722561436. The cubic root of 260405101 is about 638.5817397832.

Adding to 260405101 its reverse (101504062), we get a palindrome (361909163).

The spelling of 260405101 in words is "two hundred sixty million, four hundred five thousand, one hundred one".