238072121 has 8 divisors (see below), whose sum is σ = 272181504. Its totient is φ = 203987520.

The previous prime is 238072073. The next prime is 238072181. The reversal of 238072121 is 121270832.

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 238072121 - 2¹⁸ = 237809977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238072181) 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, 24641 + ... + 32913.

It is an arithmetic number, because the mean of its divisors is an integer number (34022688).

Almost surely, 2^238072121 is an apocalyptic number.

It is an amenable number.

238072121 is a deficient number, since it is larger than the sum of its proper divisors (34109383).

238072121 is an equidigital number, since it uses as much as digits as its factorization.

238072121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12391.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 238072121 is about 15429.5858985262. The cubic root of 238072121 is about 619.7780344877.

The spelling of 238072121 in words is "two hundred thirty-eight million, seventy-two thousand, one hundred twenty-one".