122102544 has 40 divisors (see below), whose sum is σ = 315828000. Its totient is φ = 40649728.

The previous prime is 122102543. The next prime is 122102567. The reversal of 122102544 is 445201221.

It is a self number, because there is not a number n which added to its sum of digits gives 122102544.

It is not an unprimeable number, because it can be changed into a prime (122102543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71104 + ... + 72800.

It is an arithmetic number, because the mean of its divisors is an integer number (7895700).

Almost surely, 2^122102544 is an apocalyptic number.

It is an amenable number.

122102544 is an abundant number, since it is smaller than the sum of its proper divisors (193725456).

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

122102544 is a wasteful number, since it uses less digits than its factorization.

122102544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3201 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 122102544 is about 11050.0019909500. The cubic root of 122102544 is about 496.1064851151.

Adding to 122102544 its reverse (445201221), we get a palindrome (567303765).

The spelling of 122102544 in words is "one hundred twenty-two million, one hundred two thousand, five hundred forty-four".