122389746 has 8 divisors (see below), whose sum is σ = 244779504. Its totient is φ = 40796580.

The previous prime is 122389733. The next prime is 122389753. The reversal of 122389746 is 647983221.

It is a sphenic number, since it is the product of 3 distinct primes.

122389746 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 122389698 and 122389707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10199140 + ... + 10199151.

It is an arithmetic number, because the mean of its divisors is an integer number (30597438).

Almost surely, 2^122389746 is an apocalyptic number.

122389746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122389746 is a wasteful number, since it uses less digits than its factorization.

122389746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20398296.

The product of its digits is 145152, while the sum is 42.

The square root of 122389746 is about 11062.9899213549. The cubic root of 122389746 is about 496.4951508021.

The spelling of 122389746 in words is "one hundred twenty-two million, three hundred eighty-nine thousand, seven hundred forty-six".