122764693420 has 24 divisors (see below), whose sum is σ = 257820114384. Its totient is φ = 49103161536.

The previous prime is 122764693409. The next prime is 122764693421. The reversal of 122764693420 is 24396467221.

It is not an unprimeable number, because it can be changed into a prime (122764693421) 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, 223102 + ... + 543418.

It is an arithmetic number, because the mean of its divisors is an integer number (10742504766).

Almost surely, 2^122764693420 is an apocalyptic number.

122764693420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122764693420 is an abundant number, since it is smaller than the sum of its proper divisors (135055420964).

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

122764693420 is a wasteful number, since it uses less digits than its factorization.

122764693420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339489 (or 339487 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 122764693420 in words is "one hundred twenty-two billion, seven hundred sixty-four million, six hundred ninety-three thousand, four hundred twenty".