102102055 has 32 divisors (see below), whose sum is σ = 138682368. Its totient is φ = 71510400.

The previous prime is 102102043. The next prime is 102102071. The reversal of 102102055 is 550201201.

It is not a de Polignac number, because 102102055 - 2¹¹ = 102100007 is a prime.

It is a congruent number.

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, 266394 + ... + 266776.

It is an arithmetic number, because the mean of its divisors is an integer number (4333824).

Almost surely, 2^102102055 is an apocalyptic number.

102102055 is a deficient number, since it is larger than the sum of its proper divisors (36580313).

102102055 is a wasteful number, since it uses less digits than its factorization.

102102055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 102102055 is about 10104.5561505689. The cubic root of 102102055 is about 467.3886491643.

Adding to 102102055 its reverse (550201201), we get a palindrome (652303256).

It can be divided in two parts, 10210205 and 5, that multiplied together give a square (51051025 = 7145²).

The spelling of 102102055 in words is "one hundred two million, one hundred two thousand, fifty-five".