121324930 has 32 divisors (see below), whose sum is σ = 224478144. Its totient is φ = 47186496.

The previous prime is 121324901. The next prime is 121324933. The reversal of 121324930 is 39423121.

It is a junction number, because it is equal to n+sod(n) for n = 121324895 and 121324904.

It is not an unprimeable number, because it can be changed into a prime (121324933) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 121192 + ... + 122188.

It is an arithmetic number, because the mean of its divisors is an integer number (7014942).

Almost surely, 2^121324930 is an apocalyptic number.

121324930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121324930 is a deficient number, since it is larger than the sum of its proper divisors (103153214).

121324930 is a wasteful number, since it uses less digits than its factorization.

121324930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 121324930 is about 11014.7596433150. The cubic root of 121324930 is about 495.0510847526.

The spelling of 121324930 in words is "one hundred twenty-one million, three hundred twenty-four thousand, nine hundred thirty".