122128848 has 60 divisors (see below), whose sum is σ = 342582240. Its totient is φ = 40615488.

The previous prime is 122128847. The next prime is 122128859. The reversal of 122128848 is 848821221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122128841) 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 11 ways as a sum of consecutive naturals, for example, 91933 + ... + 93251.

It is an arithmetic number, because the mean of its divisors is an integer number (5709704).

Almost surely, 2^122128848 is an apocalyptic number.

122128848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122128848 is an abundant number, since it is smaller than the sum of its proper divisors (220453392).

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

122128848 is a wasteful number, since it uses less digits than its factorization.

122128848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1967 counting only the distinct ones).

The product of its digits is 16384, while the sum is 36.

The square root of 122128848 is about 11051.1921528856. The cubic root of 122128848 is about 496.1421072176.

The spelling of 122128848 in words is "one hundred twenty-two million, one hundred twenty-eight thousand, eight hundred forty-eight".