122705506 has 80 divisors (see below), whose sum is σ = 246846528. Its totient is φ = 45276000.

The previous prime is 122705503. The next prime is 122705509. The reversal of 122705506 is 605507221.

It is an interprime number because it is at equal distance from previous prime (122705503) and next prime (122705509).

It is not an unprimeable number, because it can be changed into a prime (122705503) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1214856 + ... + 1214956.

Almost surely, 2^122705506 is an apocalyptic number.

122705506 is an abundant number, since it is smaller than the sum of its proper divisors (124141022).

122705506 is a wasteful number, since it uses less digits than its factorization.

122705506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 122705506 is about 11077.2517349747. The cubic root of 122705506 is about 496.9217624647.

The spelling of 122705506 in words is "one hundred twenty-two million, seven hundred five thousand, five hundred six".