123085210 has 32 divisors (see below), whose sum is σ = 226540800. Its totient is φ = 48135360.

The previous prime is 123085189. The next prime is 123085229. The reversal of 123085210 is 12580321.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 134655 + ... + 135565.

It is an arithmetic number, because the mean of its divisors is an integer number (7079400).

Almost surely, 2^123085210 is an apocalyptic number.

123085210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123085210 is a deficient number, since it is larger than the sum of its proper divisors (103455590).

123085210 is a wasteful number, since it uses less digits than its factorization.

123085210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 123085210 is about 11094.3774047938. The cubic root of 123085210 is about 497.4337984181.

The spelling of 123085210 in words is "one hundred twenty-three million, eighty-five thousand, two hundred ten".