122774822990 has 16 divisors (see below), whose sum is σ = 221003149248. Its totient is φ = 49108047456.

The previous prime is 122774822981. The next prime is 122774823013. The reversal of 122774822990 is 99228477221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55979 + ... + 498681.

It is an arithmetic number, because the mean of its divisors is an integer number (13812696828).

Almost surely, 2^122774822990 is an apocalyptic number.

122774822990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122774822990 is a deficient number, since it is larger than the sum of its proper divisors (98228326258).

122774822990 is a wasteful number, since it uses less digits than its factorization.

122774822990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470443.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 122774822990 in words is "one hundred twenty-two billion, seven hundred seventy-four million, eight hundred twenty-two thousand, nine hundred ninety".