234640121 has 8 divisors (see below), whose sum is σ = 245207424. Its totient is φ = 224305200.

The previous prime is 234640117. The next prime is 234640123. The reversal of 234640121 is 121046432.

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

It is not a de Polignac number, because 234640121 - 2² = 234640117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234640123) 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, 56030 + ... + 60071.

It is an arithmetic number, because the mean of its divisors is an integer number (30650928).

Almost surely, 2^234640121 is an apocalyptic number.

It is an amenable number.

234640121 is a deficient number, since it is larger than the sum of its proper divisors (10567303).

234640121 is a wasteful number, since it uses less digits than its factorization.

234640121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116191.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 234640121 is about 15317.9672607040. The cubic root of 234640121 is about 616.7854090633.

Adding to 234640121 its reverse (121046432), we get a palindrome (355686553).

The spelling of 234640121 in words is "two hundred thirty-four million, six hundred forty thousand, one hundred twenty-one".