236401121 has 8 divisors (see below), whose sum is σ = 264182688. Its totient is φ = 209668000.

The previous prime is 236401079. The next prime is 236401157. The reversal of 236401121 is 121104632.

236401121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-236401121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 236401093 and 236401102.

It is not an unprimeable number, because it can be changed into a prime (236401721) 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, 261635 + ... + 262536.

It is an arithmetic number, because the mean of its divisors is an integer number (33022836).

Almost surely, 2^236401121 is an apocalyptic number.

It is an amenable number.

236401121 is a deficient number, since it is larger than the sum of its proper divisors (27781567).

236401121 is a wasteful number, since it uses less digits than its factorization.

236401121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524223.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 236401121 is about 15375.3413295445. The cubic root of 236401121 is about 618.3245790995.

Adding to 236401121 its reverse (121104632), we get a palindrome (357505753).

The spelling of 236401121 in words is "two hundred thirty-six million, four hundred one thousand, one hundred twenty-one".