122305830 has 16 divisors (see below), whose sum is σ = 293534064. Its totient is φ = 32614880.

The previous prime is 122305801. The next prime is 122305861. The reversal of 122305830 is 38503221.

It is a self number, because there is not a number n which added to its sum of digits gives 122305830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038401 + ... + 2038460.

It is an arithmetic number, because the mean of its divisors is an integer number (18345879).

Almost surely, 2^122305830 is an apocalyptic number.

122305830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122305830 is an abundant number, since it is smaller than the sum of its proper divisors (171228234).

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

122305830 is a wasteful number, since it uses less digits than its factorization.

122305830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076871.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 122305830 is about 11059.1966254335. The cubic root of 122305830 is about 496.3816516072.

The spelling of 122305830 in words is "one hundred twenty-two million, three hundred five thousand, eight hundred thirty".