30121122 has 32 divisors (see below), whose sum is σ = 63286272. Its totient is φ = 9539024.

The previous prime is 30121097. The next prime is 30121151. The reversal of 30121122 is 22112103.

It is a junction number, because it is equal to n+sod(n) for n = 30121098 and 30121107.

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 15 ways as a sum of consecutive naturals, for example, 22393 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (1977696).

Almost surely, 2^30121122 is an apocalyptic number.

30121122 is an abundant number, since it is smaller than the sum of its proper divisors (33165150).

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

30121122 is a wasteful number, since it uses less digits than its factorization.

30121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30121122 is about 5488.2713125355. The cubic root of 30121122 is about 311.1408604300.

Adding to 30121122 its reverse (22112103), we get a palindrome (52233225).

The spelling of 30121122 in words is "thirty million, one hundred twenty-one thousand, one hundred twenty-two".