30274121 has 2 divisors, whose sum is σ = 30274122. Its totient is φ = 30274120.

The previous prime is 30274099. The next prime is 30274129. The reversal of 30274121 is 12147203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 8042896 = 4715^2 + 2836^2 .

It is an emirp because it is prime and its reverse (12147203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30274121 - 2¹⁸ = 30011977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30274093 and 30274102.

It is not a weakly prime, because it can be changed into another prime (30274129) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137060 + 15137061.

It is an arithmetic number, because the mean of its divisors is an integer number (15137061).

Almost surely, 2^30274121 is an apocalyptic number.

It is an amenable number.

30274121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30274121 is an equidigital number, since it uses as much as digits as its factorization.

30274121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30274121 is about 5502.1923812241. The cubic root of 30274121 is about 311.6667800369. Note that the first 3 decimals are identical.

The spelling of 30274121 in words is "thirty million, two hundred seventy-four thousand, one hundred twenty-one".