103961 has 8 divisors (see below), whose sum is σ = 122304. Its totient is φ = 87120.

The previous prime is 103951. The next prime is 103963. The reversal of 103961 is 169301.

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

It is a de Polignac number, because none of the positive numbers 2^k-103961 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103963) 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, 221 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

2¹⁰³⁹⁶¹ is an apocalyptic number.

103961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

103961 is a deficient number, since it is larger than the sum of its proper divisors (18343).

103961 is a wasteful number, since it uses less digits than its factorization.

103961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 103961 is about 322.4298373290. The cubic root of 103961 is about 47.0208146828.

The spelling of 103961 in words is "one hundred three thousand, nine hundred sixty-one".