103261 has 4 divisors (see below), whose sum is σ = 106624. Its totient is φ = 99900.

The previous prime is 103237. The next prime is 103289. The reversal of 103261 is 162301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162301 = 109 ⋅1489.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103261 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 (103231) 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, 1635 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (26656).

2¹⁰³²⁶¹ is an apocalyptic number.

It is an amenable number.

103261 is a deficient number, since it is larger than the sum of its proper divisors (3363).

103261 is an equidigital number, since it uses as much as digits as its factorization.

103261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103261 is about 321.3424964115. The cubic root of 103261 is about 46.9150419335.

Adding to 103261 its reverse (162301), we get a palindrome (265562).

The spelling of 103261 in words is "one hundred three thousand, two hundred sixty-one".