122784456790 has 8 divisors (see below), whose sum is σ = 221012022240. Its totient is φ = 49113782712.

The previous prime is 122784456787. The next prime is 122784456829. The reversal of 122784456790 is 97654487221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6139222830 + ... + 6139222849.

It is an arithmetic number, because the mean of its divisors is an integer number (27626502780).

Almost surely, 2^122784456790 is an apocalyptic number.

122784456790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122784456790 is a deficient number, since it is larger than the sum of its proper divisors (98227565450).

122784456790 is a wasteful number, since it uses less digits than its factorization.

122784456790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278445686.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 122784456790 in words is "one hundred twenty-two billion, seven hundred eighty-four million, four hundred fifty-six thousand, seven hundred ninety".