122505330 has 16 divisors (see below), whose sum is σ = 294012864. Its totient is φ = 32668080.

The previous prime is 122505329. The next prime is 122505371. The reversal of 122505330 is 33505221.

It is a junction number, because it is equal to n+sod(n) for n = 122505297 and 122505306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041726 + ... + 2041785.

It is an arithmetic number, because the mean of its divisors is an integer number (18375804).

Almost surely, 2^122505330 is an apocalyptic number.

122505330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122505330 is an abundant number, since it is smaller than the sum of its proper divisors (171507534).

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

122505330 is a wasteful number, since it uses less digits than its factorization.

122505330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083521.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 122505330 is about 11068.2125928264. The cubic root of 122505330 is about 496.6513971153.

The spelling of 122505330 in words is "one hundred twenty-two million, five hundred five thousand, three hundred thirty".