102126025106 has 12 divisors (see below), whose sum is σ = 178199492958. Its totient is φ = 43768296432.

The previous prime is 102126025091. The next prime is 102126025129. The reversal of 102126025106 is 601520621201.

It can be written as a sum of positive squares in only one way, i.e., 95239514881 + 6886510225 = 308609^2 + 82985^2 .

It is a super-2 number, since 2×102126025106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521051051 + ... + 521051246.

Almost surely, 2^102126025106 is an apocalyptic number.

102126025106 is a deficient number, since it is larger than the sum of its proper divisors (76073467852).

102126025106 is a wasteful number, since it uses less digits than its factorization.

102126025106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042102313 (or 1042102306 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 102126025106 its reverse (601520621201), we get a palindrome (703646646307).

The spelling of 102126025106 in words is "one hundred two billion, one hundred twenty-six million, twenty-five thousand, one hundred six".