123087073 has 4 divisors (see below), whose sum is σ = 129565360. Its totient is φ = 116608788.

The previous prime is 123087067. The next prime is 123087077. The reversal of 123087073 is 370780321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123087073 - 2¹³ = 123078881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123087077) 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 3 ways as a sum of consecutive naturals, for example, 3239115 + ... + 3239152.

It is an arithmetic number, because the mean of its divisors is an integer number (32391340).

Almost surely, 2^123087073 is an apocalyptic number.

It is an amenable number.

123087073 is a deficient number, since it is larger than the sum of its proper divisors (6478287).

123087073 is an equidigital number, since it uses as much as digits as its factorization.

123087073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478286.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 123087073 is about 11094.4613659249. The cubic root of 123087073 is about 497.4363081009.

The spelling of 123087073 in words is "one hundred twenty-three million, eighty-seven thousand, seventy-three".