122001490828 has 48 divisors (see below), whose sum is σ = 258493080384. Its totient is φ = 49184593920.

The previous prime is 122001490823. The next prime is 122001490829. The reversal of 122001490828 is 828094100221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (122001490823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843598 + ... + 977578.

It is an arithmetic number, because the mean of its divisors is an integer number (5385272508).

Almost surely, 2^122001490828 is an apocalyptic number.

It is an amenable number.

122001490828 is an abundant number, since it is smaller than the sum of its proper divisors (136491589556).

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

122001490828 is a wasteful number, since it uses less digits than its factorization.

122001490828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135922 (or 135920 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 122001490828 in words is "one hundred twenty-two billion, one million, four hundred ninety thousand, eight hundred twenty-eight".