104242500 has 180 divisors, whose sum is σ = 340287948. Its totient is φ = 26880000.

The previous prime is 104242499. The next prime is 104242513. The reversal of 104242500 is 5242401.

It can be written as a sum of positive squares in 10 ways, for example, as 103063104 + 1179396 = 10152^2 + 1086^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 922444 + ... + 922556.

Almost surely, 2^104242500 is an apocalyptic number.

104242500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170143974).

104242500 is an abundant number, since it is smaller than the sum of its proper divisors (236045448).

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

104242500 is a wasteful number, since it uses less digits than its factorization.

104242500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 104242500 is about 10209.9216451450. The cubic root of 104242500 is about 470.6321657824.

Adding to 104242500 its reverse (5242401), we get a palindrome (109484901).

Subtracting from 104242500 its reverse (5242401), we obtain a palindrome (99000099).

The spelling of 104242500 in words is "one hundred four million, two hundred forty-two thousand, five hundred".