132601281 has 4 divisors (see below), whose sum is σ = 176801712. Its totient is φ = 88400852.

The previous prime is 132601277. The next prime is 132601297. The reversal of 132601281 is 182106231.

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 132601281 - 2² = 132601277 is a prime.

It is a super-2 number, since 2×132601281² = 35166199445681922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (132601201) 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, 22100211 + ... + 22100216.

It is an arithmetic number, because the mean of its divisors is an integer number (44200428).

Almost surely, 2^132601281 is an apocalyptic number.

It is an amenable number.

132601281 is a deficient number, since it is larger than the sum of its proper divisors (44200431).

132601281 is an equidigital number, since it uses as much as digits as its factorization.

132601281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44200430.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 132601281 is about 11515.2629583523. The cubic root of 132601281 is about 509.9362742368.

It can be divided in two parts, 13260 and 1281, that added together give a palindrome (14541).

The spelling of 132601281 in words is "one hundred thirty-two million, six hundred one thousand, two hundred eighty-one".