232136121 has 8 divisors (see below), whose sum is σ = 353731264. Its totient is φ = 132649200.

The previous prime is 232136117. The next prime is 232136123. The reversal of 232136121 is 121631232.

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

It is not a de Polignac number, because 232136121 - 2² = 232136117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11054101 = 232136121 / (2 + 3 + 2 + 1 + 3 + 6 + 1 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (232136123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5527030 + ... + 5527071.

It is an arithmetic number, because the mean of its divisors is an integer number (44216408).

Almost surely, 2^232136121 is an apocalyptic number.

232136121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232136121 is a deficient number, since it is larger than the sum of its proper divisors (121595143).

232136121 is a wasteful number, since it uses less digits than its factorization.

232136121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054111.

The product of its digits is 432, while the sum is 21.

The square root of 232136121 is about 15236.0139472239. The cubic root of 232136121 is about 614.5835160205.

Adding to 232136121 its reverse (121631232), we get a palindrome (353767353).

The spelling of 232136121 in words is "two hundred thirty-two million, one hundred thirty-six thousand, one hundred twenty-one".