132120403 has 4 divisors (see below), whose sum is σ = 132147288. Its totient is φ = 132093520.

The previous prime is 132120397. The next prime is 132120427. The reversal of 132120403 is 304021231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304021231 = 619 ⋅491149.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132120403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132120103) 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, 3733 + ... + 16678.

It is an arithmetic number, because the mean of its divisors is an integer number (33036822).

Almost surely, 2^132120403 is an apocalyptic number.

132120403 is a deficient number, since it is larger than the sum of its proper divisors (26885).

132120403 is an equidigital number, since it uses as much as digits as its factorization.

132120403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132120403 is about 11494.3639667447. The cubic root of 132120403 is about 509.3191003080.

Adding to 132120403 its reverse (304021231), we get a palindrome (436141634).

The spelling of 132120403 in words is "one hundred thirty-two million, one hundred twenty thousand, four hundred three".