104122021145 has 8 divisors (see below), whose sum is σ = 124952002056. Its totient is φ = 83293899136.

The previous prime is 104122021111. The next prime is 104122021181. The reversal of 104122021145 is 541120221401.

It can be written as a sum of positive squares in 4 ways, for example, as 46953689344 + 57168331801 = 216688^2 + 239099^2 .

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 104122021145 - 2⁸ = 104122020889 is a prime.

It is a super-2 number, since 2×104122021145² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104122021145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338372 + ... + 568101.

It is an arithmetic number, because the mean of its divisors is an integer number (15619000257).

Almost surely, 2^104122021145 is an apocalyptic number.

It is an amenable number.

104122021145 is a deficient number, since it is larger than the sum of its proper divisors (20829980911).

104122021145 is an equidigital number, since it uses as much as digits as its factorization.

104122021145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929451.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 104122021145 its reverse (541120221401), we get a palindrome (645242242546).

The spelling of 104122021145 in words is "one hundred four billion, one hundred twenty-two million, twenty-one thousand, one hundred forty-five".