238029121 has 8 divisors (see below), whose sum is σ = 274942944. Its totient is φ = 203661120.

The previous prime is 238029119. The next prime is 238029151. The reversal of 238029121 is 121920832.

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 238029121 - 2¹ = 238029119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238029121.

It is not an unprimeable number, because it can be changed into a prime (238029151) 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, 636255 + ... + 636628.

It is an arithmetic number, because the mean of its divisors is an integer number (34367868).

Almost surely, 2^238029121 is an apocalyptic number.

It is an amenable number.

238029121 is a deficient number, since it is larger than the sum of its proper divisors (36913823).

238029121 is a wasteful number, since it uses less digits than its factorization.

238029121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272911.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 238029121 is about 15428.1924087043. The cubic root of 238029121 is about 619.7407179803.

Adding to 238029121 its reverse (121920832), we get a palindrome (359949953).

It can be divided in two parts, 23802 and 9121, that added together give a palindrome (32923).

The spelling of 238029121 in words is "two hundred thirty-eight million, twenty-nine thousand, one hundred twenty-one".