30024121 has 4 divisors (see below), whose sum is σ = 30110500. Its totient is φ = 29937744.

The previous prime is 30024109. The next prime is 30024133. The reversal of 30024121 is 12142003.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (30024109) and next prime (30024133).

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 10310521 = 4440^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 30024121 - 2¹¹ = 30022073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30024101) 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, 42666 + ... + 43363.

It is an arithmetic number, because the mean of its divisors is an integer number (7527625).

Almost surely, 2^30024121 is an apocalyptic number.

It is an amenable number.

30024121 is a deficient number, since it is larger than the sum of its proper divisors (86379).

30024121 is an equidigital number, since it uses as much as digits as its factorization.

30024121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86378.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30024121 is about 5479.4270685903. The cubic root of 30024121 is about 310.8065055698.

Adding to 30024121 its reverse (12142003), we get a palindrome (42166124).

The spelling of 30024121 in words is "thirty million, twenty-four thousand, one hundred twenty-one".