104421018 has 16 divisors (see below), whose sum is σ = 224906976. Its totient is φ = 32129520.

The previous prime is 104421013. The next prime is 104421043. The reversal of 104421018 is 810124401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 104420985 and 104421003.

It is not an unprimeable number, because it can be changed into a prime (104421011) 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, 669288 + ... + 669443.

It is an arithmetic number, because the mean of its divisors is an integer number (14056686).

Almost surely, 2^104421018 is an apocalyptic number.

104421018 is an abundant number, since it is smaller than the sum of its proper divisors (120485958).

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

104421018 is a wasteful number, since it uses less digits than its factorization.

104421018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338749.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 104421018 is about 10218.6602840098. The cubic root of 104421018 is about 470.9006691872.

Adding to 104421018 its reverse (810124401), we get a palindrome (914545419).

The spelling of 104421018 in words is "one hundred four million, four hundred twenty-one thousand, eighteen".