261107 has 8 divisors (see below), whose sum is σ = 325632. Its totient is φ = 203400.

The previous prime is 261101. The next prime is 261127. The reversal of 261107 is 701162.

It is a happy number.

261107 is nontrivially palindromic in base 16.

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 261107 - 2⁶ = 261043 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 261107.

It is not an unprimeable number, because it can be changed into a prime (261101) 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, 1619 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (40704).

2²⁶¹¹⁰⁷ is an apocalyptic number.

261107 is a deficient number, since it is larger than the sum of its proper divisors (64525).

261107 is a wasteful number, since it uses less digits than its factorization.

261107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 261107 is about 510.9863011862. The cubic root of 261107 is about 63.9154971993.

Adding to 261107 its reverse (701162), we get a palindrome (962269).

It can be divided in two parts, 26 and 1107, that multiplied together give a palindrome (28782).

The spelling of 261107 in words is "two hundred sixty-one thousand, one hundred seven".