30122132 has 6 divisors (see below), whose sum is σ = 52713738. Its totient is φ = 15061064.

The previous prime is 30122123. The next prime is 30122137. The reversal of 30122132 is 23122103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 23078416 + 7043716 = 4804^2 + 2654^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122137) by changing a digit.

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 as a sum of consecutive naturals, namely, 3765263 + ... + 3765270.

It is an arithmetic number, because the mean of its divisors is an integer number (8785623).

Almost surely, 2^30122132 is an apocalyptic number.

It is an amenable number.

30122132 is a deficient number, since it is larger than the sum of its proper divisors (22591606).

30122132 is a wasteful number, since it uses less digits than its factorization.

30122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530537 (or 7530535 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30122132 is about 5488.3633261656. The cubic root of 30122132 is about 311.1443380423.

Adding to 30122132 its reverse (23122103), we get a palindrome (53244235).

The spelling of 30122132 in words is "thirty million, one hundred twenty-two thousand, one hundred thirty-two".