103161 has 8 divisors (see below), whose sum is σ = 139104. Its totient is φ = 68000.

The previous prime is 103141. The next prime is 103171. The reversal of 103161 is 161301.

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 103161 - 2¹¹ = 101113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103141) 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, 286 + ... + 536.

It is an arithmetic number, because the mean of its divisors is an integer number (17388).

2¹⁰³¹⁶¹ is an apocalyptic number.

It is an amenable number.

103161 is a deficient number, since it is larger than the sum of its proper divisors (35943).

103161 is a wasteful number, since it uses less digits than its factorization.

103161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103161 is about 321.1868614997. The cubic root of 103161 is about 46.8998925565.

Adding to 103161 its reverse (161301), we get a palindrome (264462).

The spelling of 103161 in words is "one hundred three thousand, one hundred sixty-one".