123087286 has 16 divisors (see below), whose sum is σ = 213098400. Its totient is φ = 52228800.

The previous prime is 123087229. The next prime is 123087287. The reversal of 123087286 is 682780321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123087287) 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, 42111 + ... + 44938.

It is an arithmetic number, because the mean of its divisors is an integer number (13318650).

Almost surely, 2^123087286 is an apocalyptic number.

123087286 is a deficient number, since it is larger than the sum of its proper divisors (90011114).

123087286 is a wasteful number, since it uses less digits than its factorization.

123087286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87159.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 123087286 is about 11094.4709653052. The cubic root of 123087286 is about 497.4365950356.

The spelling of 123087286 in words is "one hundred twenty-three million, eighty-seven thousand, two hundred eighty-six".