132121145 has 8 divisors (see below), whose sum is σ = 170741256. Its totient is φ = 97566336.

The previous prime is 132121109. The next prime is 132121159. The reversal of 132121145 is 541121231.

It can be written as a sum of positive squares in 4 ways, for example, as 6927424 + 125193721 = 2632^2 + 11189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132121145 is a prime.

It is a super-2 number, since 2×132121145² = 34911993912222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016252 + ... + 1016381.

It is an arithmetic number, because the mean of its divisors is an integer number (21342657).

Almost surely, 2^132121145 is an apocalyptic number.

It is an amenable number.

132121145 is a deficient number, since it is larger than the sum of its proper divisors (38620111).

132121145 is a wasteful number, since it uses less digits than its factorization.

132121145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032651.

The product of its digits is 240, while the sum is 20.

The square root of 132121145 is about 11494.3962433875. The cubic root of 132121145 is about 509.3200537668.

Adding to 132121145 its reverse (541121231), we get a palindrome (673242376).

The spelling of 132121145 in words is "one hundred thirty-two million, one hundred twenty-one thousand, one hundred forty-five".