105120004099 has 16 divisors (see below), whose sum is σ = 118512997344. Its totient is φ = 92407705600.

The previous prime is 105120004039. The next prime is 105120004111. The reversal of 105120004099 is 990400021501.

It is a cyclic number.

It is not a de Polignac number, because 105120004099 - 2¹¹ = 105120002051 is a prime.

It is a super-2 number, since 2×105120004099² (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 105120004099.

It is not an unprimeable number, because it can be changed into a prime (105120004039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 980374 + ... + 1082299.

It is an arithmetic number, because the mean of its divisors is an integer number (7407062334).

Almost surely, 2^105120004099 is an apocalyptic number.

105120004099 is a deficient number, since it is larger than the sum of its proper divisors (13392993245).

105120004099 is a wasteful number, since it uses less digits than its factorization.

105120004099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062838.

The product of its (nonzero) digits is 3240, while the sum is 31.

The spelling of 105120004099 in words is "one hundred five billion, one hundred twenty million, four thousand, ninety-nine".