30270121 has 4 divisors (see below), whose sum is σ = 34594432. Its totient is φ = 25945812.

The previous prime is 30270109. The next prime is 30270133. The reversal of 30270121 is 12107203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (30270109) and next prime (30270133).

It is a cyclic number.

It is not a de Polignac number, because 30270121 - 2¹³ = 30261929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30270095 and 30270104.

It is not an unprimeable number, because it can be changed into a prime (30270161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162145 + ... + 2162158.

It is an arithmetic number, because the mean of its divisors is an integer number (8648608).

Almost surely, 2^30270121 is an apocalyptic number.

It is an amenable number.

30270121 is a deficient number, since it is larger than the sum of its proper divisors (4324311).

30270121 is an equidigital number, since it uses as much as digits as its factorization.

30270121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324310.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 30270121 is about 5501.8288777460. The cubic root of 30270121 is about 311.6530529989.

Adding to 30270121 its reverse (12107203), we get a palindrome (42377324).

The spelling of 30270121 in words is "thirty million, two hundred seventy thousand, one hundred twenty-one".