122275857100 has 18 divisors (see below), whose sum is σ = 265338610124. Its totient is φ = 48910342800.

The previous prime is 122275857089. The next prime is 122275857127. The reversal of 122275857100 is 1758572221.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611379186 + ... + 611379385.

Almost surely, 2^122275857100 is an apocalyptic number.

122275857100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122275857100 is an abundant number, since it is smaller than the sum of its proper divisors (143062753024).

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

122275857100 is a wasteful number, since it uses less digits than its factorization.

122275857100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222758585 (or 1222758578 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 122275857100 in words is "one hundred twenty-two billion, two hundred seventy-five million, eight hundred fifty-seven thousand, one hundred".