104721004 has 12 divisors (see below), whose sum is σ = 186719904. Its totient is φ = 51372464.

The previous prime is 104720999. The next prime is 104721053. The reversal of 104721004 is 400127401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246772 + ... + 247195.

It is an arithmetic number, because the mean of its divisors is an integer number (15559992).

Almost surely, 2^104721004 is an apocalyptic number.

It is an amenable number.

104721004 is a deficient number, since it is larger than the sum of its proper divisors (81998900).

104721004 is a wasteful number, since it uses less digits than its factorization.

104721004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494024 (or 494022 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 104721004 is about 10233.3280998901. The cubic root of 104721004 is about 471.3511804920.

Adding to 104721004 its reverse (400127401), we get a palindrome (504848405).

It can be divided in two parts, 10472 and 1004, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 104721004 in words is "one hundred four million, seven hundred twenty-one thousand, four".