104506021 has 8 divisors (see below), whose sum is σ = 110956824. Its totient is φ = 98088960.

The previous prime is 104505967. The next prime is 104506027. The reversal of 104506021 is 120605401.

It can be written as a sum of positive squares in 4 ways, for example, as 25100100 + 79405921 = 5010^2 + 8911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104506021 - 2⁷ = 104505893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104506021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104506027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1900 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (13869603).

Almost surely, 2^104506021 is an apocalyptic number.

It is an amenable number.

104506021 is a deficient number, since it is larger than the sum of its proper divisors (6450803).

104506021 is a wasteful number, since it uses less digits than its factorization.

104506021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16871.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 104506021 is about 10222.8186426249. The cubic root of 104506021 is about 471.0284120299.

It can be divided in two parts, 10450 and 6021, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 104506021 in words is "one hundred four million, five hundred six thousand, twenty-one".