102120664126 has 16 divisors (see below), whose sum is σ = 167760154800. Its totient is φ = 46333755648.

The previous prime is 102120664103. The next prime is 102120664169. The reversal of 102120664126 is 621466021201.

It is a happy number.

102120664126 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33284211 + ... + 33287278.

It is an arithmetic number, because the mean of its divisors is an integer number (10485009675).

Almost surely, 2^102120664126 is an apocalyptic number.

102120664126 is a deficient number, since it is larger than the sum of its proper divisors (65639490674).

102120664126 is a wasteful number, since it uses less digits than its factorization.

102120664126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66571563.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 102120664126 its reverse (621466021201), we get a palindrome (723586685327).

The spelling of 102120664126 in words is "one hundred two billion, one hundred twenty million, six hundred sixty-four thousand, one hundred twenty-six".