104125440 has 88 divisors (see below), whose sum is σ = 333087840. Its totient is φ = 27762688.

The previous prime is 104125433. The next prime is 104125447. The reversal of 104125440 is 44521401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104125433) and next prime (104125447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104125447) 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, 11971 + ... + 18749.

Almost surely, 2^104125440 is an apocalyptic number.

104125440 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 104125440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166543920).

104125440 is an abundant number, since it is smaller than the sum of its proper divisors (228962400).

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

104125440 is an equidigital number, since it uses as much as digits as its factorization.

104125440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807 (or 6789 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 104125440 is about 10204.1873757786. The cubic root of 104125440 is about 470.4559330038.

Adding to 104125440 its reverse (44521401), we get a palindrome (148646841).

The spelling of 104125440 in words is "one hundred four million, one hundred twenty-five thousand, four hundred forty".