104520205406 has 8 divisors (see below), whose sum is σ = 162186525720. Its totient is φ = 50458030168.

The previous prime is 104520205327. The next prime is 104520205421. The reversal of 104520205406 is 604502025401.

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

It is a super-2 number, since 2×104520205406² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 901036196 + ... + 901036311.

It is an arithmetic number, because the mean of its divisors is an integer number (20273315715).

Almost surely, 2^104520205406 is an apocalyptic number.

104520205406 is a deficient number, since it is larger than the sum of its proper divisors (57666320314).

104520205406 is a wasteful number, since it uses less digits than its factorization.

104520205406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802072538.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 104520205406 in words is "one hundred four billion, five hundred twenty million, two hundred five thousand, four hundred six".