122317906 has 8 divisors (see below), whose sum is σ = 185191920. Its totient is φ = 60587268.

The previous prime is 122317903. The next prime is 122317913. The reversal of 122317906 is 609713221.

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

It is not an unprimeable number, because it can be changed into a prime (122317903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285576 + ... + 286003.

It is an arithmetic number, because the mean of its divisors is an integer number (23148990).

Almost surely, 2^122317906 is an apocalyptic number.

122317906 is a deficient number, since it is larger than the sum of its proper divisors (62874014).

122317906 is a wasteful number, since it uses less digits than its factorization.

122317906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571688.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 122317906 is about 11059.7425828995. The cubic root of 122317906 is about 496.3979879981.

The spelling of 122317906 in words is "one hundred twenty-two million, three hundred seventeen thousand, nine hundred six".