102125055 has 32 divisors (see below), whose sum is σ = 168392448. Its totient is φ = 52819200.

The previous prime is 102125033. The next prime is 102125071. The reversal of 102125055 is 550521201.

It is not a de Polignac number, because 102125055 - 2⁷ = 102124927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129372 + ... + 130158.

It is an arithmetic number, because the mean of its divisors is an integer number (5262264).

Almost surely, 2^102125055 is an apocalyptic number.

102125055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102125055 is a deficient number, since it is larger than the sum of its proper divisors (66267393).

102125055 is a wasteful number, since it uses less digits than its factorization.

102125055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 102125055 is about 10105.6941869423. The cubic root of 102125055 is about 467.4237419345.

Adding to 102125055 its reverse (550521201), we get a palindrome (652646256).

The spelling of 102125055 in words is "one hundred two million, one hundred twenty-five thousand, fifty-five".