30035121 has 4 divisors (see below), whose sum is σ = 40046832. Its totient is φ = 20023412.

The previous prime is 30035101. The next prime is 30035149. The reversal of 30035121 is 12153003.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12153003 = 3 ⋅4051001.

It is a cyclic number.

It is not a de Polignac number, because 30035121 - 2⁷ = 30034993 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30035121.

It is not an unprimeable number, because it can be changed into a prime (30035101) 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, 5005851 + ... + 5005856.

It is an arithmetic number, because the mean of its divisors is an integer number (10011708).

Almost surely, 2^30035121 is an apocalyptic number.

It is an amenable number.

30035121 is a deficient number, since it is larger than the sum of its proper divisors (10011711).

30035121 is a wasteful number, since it uses less digits than its factorization.

30035121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011710.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30035121 is about 5480.4307312473. The cubic root of 30035121 is about 310.8444578784.

Adding to 30035121 its reverse (12153003), we get a palindrome (42188124).

The spelling of 30035121 in words is "thirty million, thirty-five thousand, one hundred twenty-one".