104540 has 12 divisors (see below), whose sum is σ = 219576. Its totient is φ = 41808.

The previous prime is 104537. The next prime is 104543. The reversal of 104540 is 45401.

It is an interprime number because it is at equal distance from previous prime (104537) and next prime (104543).

It is a super-2 number, since 2×104540² = 21857223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104543) 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, 2594 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (18298).

2¹⁰⁴⁵⁴⁰ is an apocalyptic number.

104540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104540 is an abundant number, since it is smaller than the sum of its proper divisors (115036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104540 is a wasteful number, since it uses less digits than its factorization.

104540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236 (or 5234 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 104540 is about 323.3264604081. The cubic root of 104540 is about 47.1079456426.

Adding to 104540 its reverse (45401), we get a palindrome (149941).

The spelling of 104540 in words is "one hundred four thousand, five hundred forty".