102126025105 has 32 divisors (see below), whose sum is σ = 133720796160. Its totient is φ = 74421434880.

The previous prime is 102126025091. The next prime is 102126025129. The reversal of 102126025105 is 501520621201.

It is not a de Polignac number, because 102126025105 - 2⁷ = 102126024977 is a prime.

It is a super-2 number, since 2×102126025105² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102126025105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12283900 + ... + 12292210.

It is an arithmetic number, because the mean of its divisors is an integer number (4178774880).

Almost surely, 2^102126025105 is an apocalyptic number.

It is an amenable number.

102126025105 is a deficient number, since it is larger than the sum of its proper divisors (31594771055).

102126025105 is a wasteful number, since it uses less digits than its factorization.

102126025105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 102126025105 its reverse (501520621201), we get a palindrome (603646646306).

The spelling of 102126025105 in words is "one hundred two billion, one hundred twenty-six million, twenty-five thousand, one hundred five".