122749105270 has 64 divisors (see below), whose sum is σ = 244132185600. Its totient is φ = 44064021760.

The previous prime is 122749105261. The next prime is 122749105273. The reversal of 122749105270 is 72501947221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122749105273) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 6324441 + ... + 6343819.

It is an arithmetic number, because the mean of its divisors is an integer number (3814565400).

Almost surely, 2^122749105270 is an apocalyptic number.

122749105270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122749105270 is a deficient number, since it is larger than the sum of its proper divisors (121383080330).

122749105270 is a wasteful number, since it uses less digits than its factorization.

122749105270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20133.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 122749105270 in words is "one hundred twenty-two billion, seven hundred forty-nine million, one hundred five thousand, two hundred seventy".