132121543261 has 8 divisors (see below), whose sum is σ = 133508270520. Its totient is φ = 130738632192.

The previous prime is 132121543259. The next prime is 132121543273. The reversal of 132121543261 is 162345121231.

It can be written as a sum of positive squares in 4 ways, for example, as 52043296900 + 80078246361 = 228130^2 + 282981^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 132121543261 - 2¹ = 132121543259 is a prime.

It is a super-2 number, since 2×132121543261² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132121543201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884416 + ... + 1022953.

It is an arithmetic number, because the mean of its divisors is an integer number (16688533815).

Almost surely, 2^132121543261 is an apocalyptic number.

It is an amenable number.

132121543261 is a deficient number, since it is larger than the sum of its proper divisors (1386727259).

132121543261 is a wasteful number, since it uses less digits than its factorization.

132121543261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908095.

The product of its digits is 8640, while the sum is 31.

Adding to 132121543261 its reverse (162345121231), we get a palindrome (294466664492).

The spelling of 132121543261 in words is "one hundred thirty-two billion, one hundred twenty-one million, five hundred forty-three thousand, two hundred sixty-one".