123486287 has 8 divisors (see below), whose sum is σ = 129998304. Its totient is φ = 117069568.

The previous prime is 123486277. The next prime is 123486329. The reversal of 123486287 is 782684321.

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 123486287 - 2⁴ = 123486271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123486217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21158 + ... + 26355.

It is an arithmetic number, because the mean of its divisors is an integer number (16249788).

Almost surely, 2^123486287 is an apocalyptic number.

123486287 is a deficient number, since it is larger than the sum of its proper divisors (6512017).

123486287 is a wasteful number, since it uses less digits than its factorization.

123486287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47649.

The product of its digits is 129024, while the sum is 41.

The square root of 123486287 is about 11112.4383912803. The cubic root of 123486287 is about 497.9735138035.

The spelling of 123486287 in words is "one hundred twenty-three million, four hundred eighty-six thousand, two hundred eighty-seven".