5132123505 has 12 divisors (see below), whose sum is σ = 8895680820. Its totient is φ = 2737132512.

The previous prime is 5132123471. The next prime is 5132123509. The reversal of 5132123505 is 5053212315.

It is a happy number.

5132123505 is a `hidden beast` number, since 5 + 1 + 32 + 123 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2054536929 + 3077586576 = 45327^2 + 55476^2 .

It is not a de Polignac number, because 5132123505 - 2⁹ = 5132122993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5132123509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57023550 + ... + 57023639.

It is an arithmetic number, because the mean of its divisors is an integer number (741306735).

Almost surely, 2^5132123505 is an apocalyptic number.

It is an amenable number.

5132123505 is a deficient number, since it is larger than the sum of its proper divisors (3763557315).

5132123505 is a wasteful number, since it uses less digits than its factorization.

5132123505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114047200 (or 114047197 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5132123505 is about 71638.8407569525. The cubic root of 5132123505 is about 1724.9070598950.

The spelling of 5132123505 in words is "five billion, one hundred thirty-two million, one hundred twenty-three thousand, five hundred five".