123787882 has 8 divisors (see below), whose sum is σ = 186372900. Its totient is φ = 61663584.

The previous prime is 123787871. The next prime is 123787889. The reversal of 123787882 is 288787321.

It can be written as a sum of positive squares in 2 ways, for example, as 85211361 + 38576521 = 9231^2 + 6211^2 .

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

It is not an unprimeable number, because it can be changed into a prime (123787889) 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, 114507 + ... + 115582.

Almost surely, 2^123787882 is an apocalyptic number.

123787882 is a deficient number, since it is larger than the sum of its proper divisors (62585018).

123787882 is a wasteful number, since it uses less digits than its factorization.

123787882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230360.

The product of its digits is 301056, while the sum is 46.

The square root of 123787882 is about 11126.0002696387. Note that the first 3 decimals coincide. The cubic root of 123787882 is about 498.3785904121.

The spelling of 123787882 in words is "one hundred twenty-three million, seven hundred eighty-seven thousand, eight hundred eighty-two".