122703125420 has 24 divisors (see below), whose sum is σ = 259100198448. Its totient is φ = 48810081600.

The previous prime is 122703125393. The next prime is 122703125429. The reversal of 122703125420 is 24521307221.

It is not an unprimeable number, because it can be changed into a prime (122703125429) 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 7 ways as a sum of consecutive naturals, for example, 16944326 + ... + 16951565.

It is an arithmetic number, because the mean of its divisors is an integer number (10795841602).

Almost surely, 2^122703125420 is an apocalyptic number.

122703125420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122703125420 is an abundant number, since it is smaller than the sum of its proper divisors (136397073028).

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

122703125420 is a wasteful number, since it uses less digits than its factorization.

122703125420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33896081 (or 33896079 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 122703125420 in words is "one hundred twenty-two billion, seven hundred three million, one hundred twenty-five thousand, four hundred twenty".