122445577790 has 8 divisors (see below), whose sum is σ = 220402040040. Its totient is φ = 48978231112.

The previous prime is 122445577783. The next prime is 122445577829. The reversal of 122445577790 is 97775544221.

It is a happy number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6122278880 + ... + 6122278899.

It is an arithmetic number, because the mean of its divisors is an integer number (27550255005).

Almost surely, 2^122445577790 is an apocalyptic number.

122445577790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122445577790 is a deficient number, since it is larger than the sum of its proper divisors (97956462250).

122445577790 is a wasteful number, since it uses less digits than its factorization.

122445577790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12244557786.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The spelling of 122445577790 in words is "one hundred twenty-two billion, four hundred forty-five million, five hundred seventy-seven thousand, seven hundred ninety".