236540121 has 8 divisors (see below), whose sum is σ = 319829184. Its totient is φ = 155472240.

The previous prime is 236540107. The next prime is 236540147. The reversal of 236540121 is 121045632.

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

It is not a de Polignac number, because 236540121 - 2⁵ = 236540089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 236540091 and 236540100.

It is not an unprimeable number, because it can be changed into a prime (236540021) 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, 555046 + ... + 555471.

It is an arithmetic number, because the mean of its divisors is an integer number (39978648).

Almost surely, 2^236540121 is an apocalyptic number.

It is an amenable number.

236540121 is a deficient number, since it is larger than the sum of its proper divisors (83289063).

236540121 is a wasteful number, since it uses less digits than its factorization.

236540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110591.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 236540121 is about 15379.8608901381. The cubic root of 236540121 is about 618.4457436079.

Adding to 236540121 its reverse (121045632), we get a palindrome (357585753).

It can be divided in two parts, 2365 and 40121, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 236540121 in words is "two hundred thirty-six million, five hundred forty thousand, one hundred twenty-one".