122930 has 16 divisors (see below), whose sum is σ = 233280. Its totient is φ = 46512.
The previous prime is 122929. The next prime is 122939. The reversal of 122930 is 39221.
It is a super-2 number, since 2×1229302 = 30223569800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122899 and 122908.
It is not an unprimeable number, because it can be changed into a prime (122939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134 + ... + 513.
It is an arithmetic number, because the mean of its divisors is an integer number (14580).
2122930 is an apocalyptic number.
122930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122930 is a deficient number, since it is larger than the sum of its proper divisors (110350).
122930 is a wasteful number, since it uses less digits than its factorization.
122930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 673.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 122930 is about 350.6137475913. The cubic root of 122930 is about 49.7224623070.
The spelling of 122930 in words is "one hundred twenty-two thousand, nine hundred thirty".
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