122752755 has 12 divisors (see below), whose sum is σ = 212771520. Its totient is φ = 65468112.

The previous prime is 122752703. The next prime is 122752757. The reversal of 122752755 is 557257221.

122752755 is a `hidden beast` number, since 122 + 7 + 527 + 5 + 5 = 666.

It is not a de Polignac number, because 122752755 - 2⁹ = 122752243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122752757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1363875 + ... + 1363964.

It is an arithmetic number, because the mean of its divisors is an integer number (17730960).

Almost surely, 2^122752755 is an apocalyptic number.

122752755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122752755 is a deficient number, since it is larger than the sum of its proper divisors (90018765).

122752755 is a wasteful number, since it uses less digits than its factorization.

122752755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727850 (or 2727847 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 122752755 is about 11079.3842337921. The cubic root of 122752755 is about 496.9855358686.

The spelling of 122752755 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, seven hundred fifty-five".