122472271790 has 32 divisors (see below), whose sum is σ = 240505428096. Its totient is φ = 44532700960.

The previous prime is 122472271783. The next prime is 122472271829. The reversal of 122472271790 is 97172274221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3542729 + ... + 3577131.

It is an arithmetic number, because the mean of its divisors is an integer number (7515794628).

Almost surely, 2^122472271790 is an apocalyptic number.

122472271790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122472271790 is a deficient number, since it is larger than the sum of its proper divisors (118033156306).

122472271790 is a wasteful number, since it uses less digits than its factorization.

122472271790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66784.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 122472271790 in words is "one hundred twenty-two billion, four hundred seventy-two million, two hundred seventy-one thousand, seven hundred ninety".