123118767287 has 8 divisors (see below), whose sum is σ = 126657420000. Its totient is φ = 119591226144.

The previous prime is 123118767281. The next prime is 123118767323. The reversal of 123118767287 is 782767811321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 123118767287 - 2⁴ = 123118767271 is a prime.

It is a super-2 number, since 2×123118767287² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123118767281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755412 + ... + 2799737.

It is an arithmetic number, because the mean of its divisors is an integer number (15832177500).

Almost surely, 2^123118767287 is an apocalyptic number.

123118767287 is a deficient number, since it is larger than the sum of its proper divisors (3538652713).

123118767287 is an equidigital number, since it uses as much as digits as its factorization.

123118767287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555785.

The product of its digits is 1580544, while the sum is 53.

The spelling of 123118767287 in words is "one hundred twenty-three billion, one hundred eighteen million, seven hundred sixty-seven thousand, two hundred eighty-seven".