30371121 has 27 divisors (see below), whose sum is σ = 48510553. Its totient is φ = 18296520.

The previous prime is 30371093. The next prime is 30371137. The reversal of 30371121 is 12117303.

The square root of 30371121 is 5511.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 30371121 - 2⁹ = 30370609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30371094 and 30371103.

It is not an unprimeable number, because it can be changed into a prime (30371921) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 181780 + ... + 181946.

Almost surely, 2^30371121 is an apocalyptic number.

30371121 is the 5511-st square number.

30371121 is the 2756-th centered octagonal number.

It is an amenable number.

30371121 is a deficient number, since it is larger than the sum of its proper divisors (18139432).

30371121 is a wasteful number, since it uses less digits than its factorization.

30371121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The cubic root of 30371121 is about 311.9992911720. Note that the first 3 decimals are identical.

Adding to 30371121 its reverse (12117303), we get a palindrome (42488424).

The spelling of 30371121 in words is "thirty million, three hundred seventy-one thousand, one hundred twenty-one".