105424102128 has 80 divisors (see below), whose sum is σ = 283619275776. Its totient is φ = 33706767360.

The previous prime is 105424102127. The next prime is 105424102171. The reversal of 105424102128 is 821201424501.

It is a super-2 number, since 2×105424102128² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105424102095 and 105424102104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105424102127) 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, 145350 + ... + 481637.

Almost surely, 2^105424102128 is an apocalyptic number.

It is an amenable number.

105424102128 is an abundant number, since it is smaller than the sum of its proper divisors (178195173648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105424102128 is a wasteful number, since it uses less digits than its factorization.

105424102128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627142 (or 627136 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 105424102128 its reverse (821201424501), we get a palindrome (926625526629).

The spelling of 105424102128 in words is "one hundred five billion, four hundred twenty-four million, one hundred two thousand, one hundred twenty-eight".