104121 has 12 divisors (see below), whose sum is σ = 157248. Its totient is φ = 66264.

The previous prime is 104119. The next prime is 104123. The reversal of 104121 is 121401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104119) and next prime (104123).

It is not a de Polignac number, because 104121 - 2¹ = 104119 is a prime.

It is a super-3 number, since 3×104121³ = 3386384333290683, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (104123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45 + ... + 458.

It is an arithmetic number, because the mean of its divisors is an integer number (13104).

2¹⁰⁴¹²¹ is an apocalyptic number.

It is an amenable number.

104121 is a deficient number, since it is larger than the sum of its proper divisors (53127).

104121 is a wasteful number, since it uses less digits than its factorization.

104121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 529 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 104121 is about 322.6778579326. The cubic root of 104121 is about 47.0449246024.

Adding to 104121 its reverse (121401), we get a palindrome (225522).

It can be divided in two parts, 104 and 121, that added together give a square (225 = 15²).

The spelling of 104121 in words is "one hundred four thousand, one hundred twenty-one", and thus it is an iban number.