102520055 has 8 divisors (see below), whose sum is σ = 134208144. Its totient is φ = 74560000.

The previous prime is 102520027. The next prime is 102520063. The reversal of 102520055 is 550025201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102520055 - 2⁸ = 102519799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931946 + ... + 932055.

It is an arithmetic number, because the mean of its divisors is an integer number (16776018).

Almost surely, 2^102520055 is an apocalyptic number.

102520055 is a deficient number, since it is larger than the sum of its proper divisors (31688089).

102520055 is a wasteful number, since it uses less digits than its factorization.

102520055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864017.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 102520055 is about 10125.2187630688. The cubic root of 102520055 is about 468.0256015775.

Adding to 102520055 its reverse (550025201), we get a palindrome (652545256).

The spelling of 102520055 in words is "one hundred two million, five hundred twenty thousand, fifty-five".