122658973 has 4 divisors (see below), whose sum is σ = 122690428. Its totient is φ = 122627520.

The previous prime is 122658953. The next prime is 122658979. The reversal of 122658973 is 379856221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379856221 = 12527 ⋅30323.

It can be written as a sum of positive squares in 2 ways, for example, as 85045284 + 37613689 = 9222^2 + 6133^2 .

It is a cyclic number.

It is not a de Polignac number, because 122658973 - 2⁹ = 122658461 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 (122658979) 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, 8886 + ... + 18007.

It is an arithmetic number, because the mean of its divisors is an integer number (30672607).

Almost surely, 2^122658973 is an apocalyptic number.

It is an amenable number.

122658973 is a deficient number, since it is larger than the sum of its proper divisors (31455).

122658973 is an equidigital number, since it uses as much as digits as its factorization.

122658973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31454.

The product of its digits is 181440, while the sum is 43.

The square root of 122658973 is about 11075.1511502101. The cubic root of 122658973 is about 496.8589394648.

The spelling of 122658973 in words is "one hundred twenty-two million, six hundred fifty-eight thousand, nine hundred seventy-three".