132123111 has 4 divisors (see below), whose sum is σ = 176164152. Its totient is φ = 88082072.

The previous prime is 132123091. The next prime is 132123113. The reversal of 132123111 is 111321231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 132123111 - 2¹⁴ = 132106727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132123113) 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, 22020516 + ... + 22020521.

It is an arithmetic number, because the mean of its divisors is an integer number (44041038).

Almost surely, 2^132123111 is an apocalyptic number.

132123111 is a deficient number, since it is larger than the sum of its proper divisors (44041041).

132123111 is an equidigital number, since it uses as much as digits as its factorization.

132123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44041040.

The product of its digits is 36, while the sum is 15.

The square root of 132123111 is about 11494.4817630026. The cubic root of 132123111 is about 509.3225800297.

Adding to 132123111 its reverse (111321231), we get a palindrome (243444342).

It can be divided in two parts, 1321231 and 11, that multiplied together give a palindrome (14533541).

The spelling of 132123111 in words is "one hundred thirty-two million, one hundred twenty-three thousand, one hundred eleven".