30121259 has 8 divisors (see below), whose sum is σ = 34636800. Its totient is φ = 25658856.

The previous prime is 30121241. The next prime is 30121261. The reversal of 30121259 is 95212103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30121259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30121759) 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, 12059 + ... + 14340.

It is an arithmetic number, because the mean of its divisors is an integer number (4329600).

Almost surely, 2^30121259 is an apocalyptic number.

30121259 is a deficient number, since it is larger than the sum of its proper divisors (4515541).

30121259 is a wasteful number, since it uses less digits than its factorization.

30121259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26569.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 30121259 is about 5488.2837936827. The cubic root of 30121259 is about 311.1413321502.

The spelling of 30121259 in words is "thirty million, one hundred twenty-one thousand, two hundred fifty-nine".