122245272 has 48 divisors (see below), whose sum is σ = 339164280. Its totient is φ = 39753600.

The previous prime is 122245271. The next prime is 122245301. The reversal of 122245272 is 272542221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122245271) 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 11 ways as a sum of consecutive naturals, for example, 17754 + ... + 23657.

Almost surely, 2^122245272 is an apocalyptic number.

122245272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122245272 is an abundant number, since it is smaller than the sum of its proper divisors (216919008).

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

122245272 is a wasteful number, since it uses less digits than its factorization.

122245272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41464 (or 41457 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 122245272 is about 11056.4583841301. The cubic root of 122245272 is about 496.2997126332.

Adding to 122245272 its reverse (272542221), we get a palindrome (394787493).

The spelling of 122245272 in words is "one hundred twenty-two million, two hundred forty-five thousand, two hundred seventy-two".