122681930 has 16 divisors (see below), whose sum is σ = 252374400. Its totient is φ = 42062352.

The previous prime is 122681929. The next prime is 122681957. The reversal of 122681930 is 39186221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876230 + ... + 876369.

It is an arithmetic number, because the mean of its divisors is an integer number (15773400).

Almost surely, 2^122681930 is an apocalyptic number.

122681930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122681930 is an abundant number, since it is smaller than the sum of its proper divisors (129692470).

122681930 is a wasteful number, since it uses less digits than its factorization.

122681930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752613.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 122681930 is about 11076.1875209839. The cubic root of 122681930 is about 496.8899351021.

The spelling of 122681930 in words is "one hundred twenty-two million, six hundred eighty-one thousand, nine hundred thirty".