132781121 has 8 divisors (see below), whose sum is σ = 145234944. Its totient is φ = 120391120.

The previous prime is 132781109. The next prime is 132781163. The reversal of 132781121 is 121187231.

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 132781121 - 2¹⁰ = 132780097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132781171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11546 + ... + 19971.

It is an arithmetic number, because the mean of its divisors is an integer number (18154368).

Almost surely, 2^132781121 is an apocalyptic number.

132781121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132781121 is a deficient number, since it is larger than the sum of its proper divisors (12453823).

132781121 is a wasteful number, since it uses less digits than its factorization.

132781121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31911.

The product of its digits is 672, while the sum is 26.

The square root of 132781121 is about 11523.0690790258. The cubic root of 132781121 is about 510.1667031613.

The spelling of 132781121 in words is "one hundred thirty-two million, seven hundred eighty-one thousand, one hundred twenty-one".