234132121 has 4 divisors (see below), whose sum is σ = 234299700. Its totient is φ = 233964544.

The previous prime is 234132083. The next prime is 234132139. The reversal of 234132121 is 121231432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59892121 + 174240000 = 7739^2 + 13200^2 .

It is a cyclic number.

It is not a de Polignac number, because 234132121 - 2⁹ = 234131609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234130121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81676 + ... + 84493.

It is an arithmetic number, because the mean of its divisors is an integer number (58574925).

Almost surely, 2^234132121 is an apocalyptic number.

It is an amenable number.

234132121 is a deficient number, since it is larger than the sum of its proper divisors (167579).

234132121 is a wasteful number, since it uses less digits than its factorization.

234132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167578.

The product of its digits is 288, while the sum is 19.

The square root of 234132121 is about 15301.3764413532. The cubic root of 234132121 is about 616.3399703516.

Adding to 234132121 its reverse (121231432), we get a palindrome (355363553).

It can be divided in two parts, 234 and 132121, that added together give a triangular number (132355 = T₅₁₄).

The spelling of 234132121 in words is "two hundred thirty-four million, one hundred thirty-two thousand, one hundred twenty-one".