132912121 has 4 divisors (see below), whose sum is σ = 134895952. Its totient is φ = 130928292.

The previous prime is 132912089. The next prime is 132912139. The reversal of 132912121 is 121219231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 132912121 - 2⁵ = 132912089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132912092 and 132912101.

It is not an unprimeable number, because it can be changed into a prime (132912421) 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 3 ways as a sum of consecutive naturals, for example, 991815 + ... + 991948.

It is an arithmetic number, because the mean of its divisors is an integer number (33723988).

Almost surely, 2^132912121 is an apocalyptic number.

It is an amenable number.

132912121 is a deficient number, since it is larger than the sum of its proper divisors (1983831).

132912121 is an equidigital number, since it uses as much as digits as its factorization.

132912121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983830.

The product of its digits is 216, while the sum is 22.

The square root of 132912121 is about 11528.7519272469. The cubic root of 132912121 is about 510.3344224656.

The spelling of 132912121 in words is "one hundred thirty-two million, nine hundred twelve thousand, one hundred twenty-one".