30040122 has 32 divisors (see below), whose sum is σ = 72703872. Its totient is φ = 8077824.

The previous prime is 30040117. The next prime is 30040133. The reversal of 30040122 is 22104003.

It is a junction number, because it is equal to n+sod(n) for n = 30040098 and 30040107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20323 + ... + 21750.

It is an arithmetic number, because the mean of its divisors is an integer number (2271996).

Almost surely, 2^30040122 is an apocalyptic number.

30040122 is an abundant number, since it is smaller than the sum of its proper divisors (42663750).

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

30040122 is a wasteful number, since it uses less digits than its factorization.

30040122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42102.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30040122 is about 5480.8869720147. The cubic root of 30040122 is about 310.8617093139.

Adding to 30040122 its reverse (22104003), we get a palindrome (52144125).

The spelling of 30040122 in words is "thirty million, forty thousand, one hundred twenty-two".