123065090 has 32 divisors (see below), whose sum is σ = 233928000. Its totient is φ = 46484928.

The previous prime is 123065083. The next prime is 123065101. The reversal of 123065090 is 90560321.

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, 71156 + ... + 72864.

It is an arithmetic number, because the mean of its divisors is an integer number (7310250).

Almost surely, 2^123065090 is an apocalyptic number.

123065090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123065090 is a deficient number, since it is larger than the sum of its proper divisors (110862910).

123065090 is a wasteful number, since it uses less digits than its factorization.

123065090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 123065090 is about 11093.4706021155. The cubic root of 123065090 is about 497.4066927694.

The spelling of 123065090 in words is "one hundred twenty-three million, sixty-five thousand, ninety".