132565121 has 6 divisors (see below), whose sum is σ = 143547030. Its totient is φ = 122367648.

The previous prime is 132565093. The next prime is 132565141. The reversal of 132565121 is 121565231.

It can be written as a sum of positive squares in 3 ways, for example, as 6250000 + 126315121 = 2500^2 + 11239^2 .

It is not a de Polignac number, because 132565121 - 2¹⁰ = 132564097 is a prime.

It is a super-2 number, since 2×132565121² = 35147022611489282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132565141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 392036 + ... + 392373.

It is an arithmetic number, because the mean of its divisors is an integer number (23924505).

Almost surely, 2^132565121 is an apocalyptic number.

It is an amenable number.

132565121 is a deficient number, since it is larger than the sum of its proper divisors (10981909).

132565121 is an equidigital number, since it uses as much as digits as its factorization.

132565121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784435 (or 784422 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 132565121 is about 11513.6927612300. The cubic root of 132565121 is about 509.8899172888.

The spelling of 132565121 in words is "one hundred thirty-two million, five hundred sixty-five thousand, one hundred twenty-one".