104203540 has 48 divisors (see below), whose sum is σ = 264805632. Its totient is φ = 33624576.

The previous prime is 104203537. The next prime is 104203553. The reversal of 104203540 is 45302401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19512 + ... + 24271.

It is an arithmetic number, because the mean of its divisors is an integer number (5516784).

Almost surely, 2^104203540 is an apocalyptic number.

104203540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104203540 is an abundant number, since it is smaller than the sum of its proper divisors (160602092).

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

104203540 is a wasteful number, since it uses less digits than its factorization.

104203540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43816 (or 43814 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 104203540 is about 10208.0135187998. The cubic root of 104203540 is about 470.5735265072.

Adding to 104203540 its reverse (45302401), we get a palindrome (149505941).

It can be divided in two parts, 10 and 4203540, that added together give a triangular number (4203550 = T₂₈₉₉).

The spelling of 104203540 in words is "one hundred four million, two hundred three thousand, five hundred forty".