132120001 has 4 divisors (see below), whose sum is σ = 142283092. Its totient is φ = 121956912.

The previous prime is 132119993. The next prime is 132120011. The reversal of 132120001 is 100021231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28569025 + 103550976 = 5345^2 + 10176^2 .

It is a cyclic number.

It is not a de Polignac number, because 132120001 - 2³ = 132119993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132120001.

It is not an unprimeable number, because it can be changed into a prime (132120011) 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, 5081526 + ... + 5081551.

It is an arithmetic number, because the mean of its divisors is an integer number (35570773).

Almost surely, 2^132120001 is an apocalyptic number.

It is an amenable number.

132120001 is a deficient number, since it is larger than the sum of its proper divisors (10163091).

132120001 is a wasteful number, since it uses less digits than its factorization.

132120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163090.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 132120001 is about 11494.3464799005. The cubic root of 132120001 is about 509.3185837426.

Adding to 132120001 its reverse (100021231), we get a palindrome (232141232).

The spelling of 132120001 in words is "one hundred thirty-two million, one hundred twenty thousand, one".