102134255 has 4 divisors (see below), whose sum is σ = 122561112. Its totient is φ = 81707400.

The previous prime is 102134231. The next prime is 102134261. The reversal of 102134255 is 552431201.

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

It is not a de Polignac number, because 102134255 - 2²⁰ = 101085679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102134255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10213421 + ... + 10213430.

It is an arithmetic number, because the mean of its divisors is an integer number (30640278).

Almost surely, 2^102134255 is an apocalyptic number.

102134255 is a deficient number, since it is larger than the sum of its proper divisors (20426857).

102134255 is an equidigital number, since it uses as much as digits as its factorization.

102134255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426856.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 102134255 is about 10106.1493656090. The cubic root of 102134255 is about 467.4377775672.

Adding to 102134255 its reverse (552431201), we get a palindrome (654565456).

The spelling of 102134255 in words is "one hundred two million, one hundred thirty-four thousand, two hundred fifty-five".