102113255 has 4 divisors (see below), whose sum is σ = 122535912. Its totient is φ = 81690600.

The previous prime is 102113251. The next prime is 102113257. The reversal of 102113255 is 552311201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 102113255 - 2² = 102113251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211321 + ... + 10211330.

It is an arithmetic number, because the mean of its divisors is an integer number (30633978).

Almost surely, 2^102113255 is an apocalyptic number.

102113255 is a deficient number, since it is larger than the sum of its proper divisors (20422657).

102113255 is an equidigital number, since it uses as much as digits as its factorization.

102113255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20422656.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 102113255 is about 10105.1103408127. The cubic root of 102113255 is about 467.4057384759.

Adding to 102113255 its reverse (552311201), we get a palindrome (654424456).

The spelling of 102113255 in words is "one hundred two million, one hundred thirteen thousand, two hundred fifty-five".