5123102135 has 4 divisors (see below), whose sum is σ = 6147722568. Its totient is φ = 4098481704.

The previous prime is 5123102077. The next prime is 5123102161. The reversal of 5123102135 is 5312013215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5123102135 - 2⁶ = 5123102071 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 5123102135.

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, 512310209 + ... + 512310218.

It is an arithmetic number, because the mean of its divisors is an integer number (1536930642).

Almost surely, 2^5123102135 is an apocalyptic number.

5123102135 is a deficient number, since it is larger than the sum of its proper divisors (1024620433).

5123102135 is a wasteful number, since it uses less digits than its factorization.

5123102135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024620432.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5123102135 is about 71575.8488248655. The cubic root of 5123102135 is about 1723.8957727510.

The spelling of 5123102135 in words is "five billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-five".