30152121 has 8 divisors (see below), whose sum is σ = 40228800. Its totient is φ = 20088432.

The previous prime is 30152093. The next prime is 30152123. The reversal of 30152121 is 12125103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30152121 - 2¹³ = 30143929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30152121.

It is not an unprimeable number, because it can be changed into a prime (30152123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676 + ... + 9618.

It is an arithmetic number, because the mean of its divisors is an integer number (5028600).

Almost surely, 2^30152121 is an apocalyptic number.

It is an amenable number.

30152121 is a deficient number, since it is larger than the sum of its proper divisors (10076679).

30152121 is a wasteful number, since it uses less digits than its factorization.

30152121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 30152121 is about 5491.0946996023. The cubic root of 30152121 is about 311.2475601815.

Adding to 30152121 its reverse (12125103), we get a palindrome (42277224).

The spelling of 30152121 in words is "thirty million, one hundred fifty-two thousand, one hundred twenty-one".