30140121 has 8 divisors (see below), whose sum is σ = 43840224. Its totient is φ = 18266720.

The previous prime is 30140101. The next prime is 30140129. The reversal of 30140121 is 12104103.

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 30140121 - 2⁶ = 30140057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30140097 and 30140106.

It is not an unprimeable number, because it can be changed into a prime (30140129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456636 + ... + 456701.

It is an arithmetic number, because the mean of its divisors is an integer number (5480028).

Almost surely, 2^30140121 is an apocalyptic number.

It is an amenable number.

30140121 is a deficient number, since it is larger than the sum of its proper divisors (13700103).

30140121 is a wasteful number, since it uses less digits than its factorization.

30140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913351.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30140121 is about 5490.0019125680. The cubic root of 30140121 is about 311.2062643988.

Adding to 30140121 its reverse (12104103), we get a palindrome (42244224).

The spelling of 30140121 in words is "thirty million, one hundred forty thousand, one hundred twenty-one".