30121132 has 6 divisors (see below), whose sum is σ = 52711988. Its totient is φ = 15060564.

The previous prime is 30121097. The next prime is 30121151. The reversal of 30121132 is 23112103.

It is a super-2 number, since 2×30121132² = 1814565185922848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765138 + ... + 3765145.

Almost surely, 2^30121132 is an apocalyptic number.

It is an amenable number.

30121132 is a deficient number, since it is larger than the sum of its proper divisors (22590856).

30121132 is a wasteful number, since it uses less digits than its factorization.

30121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530287 (or 7530285 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 30121132 is about 5488.2722235691. The cubic root of 30121132 is about 311.1408948621.

Adding to 30121132 its reverse (23112103), we get a palindrome (53233235).

The spelling of 30121132 in words is "thirty million, one hundred twenty-one thousand, one hundred thirty-two".