122648847 has 8 divisors (see below), whose sum is σ = 163599744. Its totient is φ = 81731928.

The previous prime is 122648797. The next prime is 122648893. The reversal of 122648847 is 748846221.

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

It is not a de Polignac number, because 122648847 - 2²³ = 114260239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122648799 and 122648808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122648147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668 + ... + 15750.

It is an arithmetic number, because the mean of its divisors is an integer number (20449968).

Almost surely, 2^122648847 is an apocalyptic number.

122648847 is a deficient number, since it is larger than the sum of its proper divisors (40950897).

122648847 is a wasteful number, since it uses less digits than its factorization.

122648847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16989.

The product of its digits is 172032, while the sum is 42.

The square root of 122648847 is about 11074.6939912577. The cubic root of 122648847 is about 496.8452665092.

The spelling of 122648847 in words is "one hundred twenty-two million, six hundred forty-eight thousand, eight hundred forty-seven".