122864573 has 4 divisors (see below), whose sum is σ = 132315708. Its totient is φ = 113413440.

The previous prime is 122864557. The next prime is 122864591. The reversal of 122864573 is 375468221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19598329 + 103266244 = 4427^2 + 10162^2 .

It is a cyclic number.

It is not a de Polignac number, because 122864573 - 2⁴ = 122864557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122864543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4725548 + ... + 4725573.

It is an arithmetic number, because the mean of its divisors is an integer number (33078927).

Almost surely, 2^122864573 is an apocalyptic number.

122864573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122864573 is a deficient number, since it is larger than the sum of its proper divisors (9451135).

122864573 is an equidigital number, since it uses as much as digits as its factorization.

122864573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451134.

The product of its digits is 80640, while the sum is 38.

The square root of 122864573 is about 11084.4293042087. The cubic root of 122864573 is about 497.1363948406.

The spelling of 122864573 in words is "one hundred twenty-two million, eight hundred sixty-four thousand, five hundred seventy-three".