104121400 has 24 divisors (see below), whose sum is σ = 242082720. Its totient is φ = 41648480.

The previous prime is 104121373. The next prime is 104121419. The reversal of 104121400 is 4121401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260104 + ... + 260503.

It is an arithmetic number, because the mean of its divisors is an integer number (10086780).

Almost surely, 2^104121400 is an apocalyptic number.

104121400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104121400 is an abundant number, since it is smaller than the sum of its proper divisors (137961320).

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

104121400 is a wasteful number, since it uses less digits than its factorization.

104121400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520623 (or 520614 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 104121400 is about 10203.9894159098. The cubic root of 104121400 is about 470.4498484627.

Adding to 104121400 its reverse (4121401), we get a palindrome (108242801).

Subtracting from 104121400 its reverse (4121401), we obtain a palindrome (99999999).

The spelling of 104121400 in words is "one hundred four million, one hundred twenty-one thousand, four hundred".