123020765 has 8 divisors (see below), whose sum is σ = 168714240. Its totient is φ = 84357072.

The previous prime is 123020753. The next prime is 123020771. The reversal of 123020765 is 567020321.

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 123020765 - 2⁶ = 123020701 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1757405 + ... + 1757474.

It is an arithmetic number, because the mean of its divisors is an integer number (21089280).

Almost surely, 2^123020765 is an apocalyptic number.

It is an amenable number.

123020765 is a deficient number, since it is larger than the sum of its proper divisors (45693475).

123020765 is an equidigital number, since it uses as much as digits as its factorization.

123020765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514891.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 123020765 is about 11091.4726254001. The cubic root of 123020765 is about 497.3469677377.

The spelling of 123020765 in words is "one hundred twenty-three million, twenty thousand, seven hundred sixty-five".