30040121 has 8 divisors (see below), whose sum is σ = 32140800. Its totient is φ = 27991440.

The previous prime is 30040117. The next prime is 30040133. The reversal of 30040121 is 12104003.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30040121 - 2² = 30040117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30040111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11801 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (4017600).

Almost surely, 2^30040121 is an apocalyptic number.

It is an amenable number.

30040121 is a deficient number, since it is larger than the sum of its proper divisors (2100679).

30040121 is a wasteful number, since it uses less digits than its factorization.

30040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25999.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 30040121 is about 5480.8868807885. The cubic root of 30040121 is about 310.8617058645.

Adding to 30040121 its reverse (12104003), we get a palindrome (42144124).

The spelling of 30040121 in words is "thirty million, forty thousand, one hundred twenty-one".