87132101 has 8 divisors (see below), whose sum is σ = 99641280. Its totient is φ = 74638368.

The previous prime is 87132091. The next prime is 87132107. The reversal of 87132101 is 10123178.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-87132101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87132107) 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 7 ways as a sum of consecutive naturals, for example, 13370 + ... + 18788.

It is an arithmetic number, because the mean of its divisors is an integer number (12455160).

Almost surely, 2^87132101 is an apocalyptic number.

It is an amenable number.

87132101 is a deficient number, since it is larger than the sum of its proper divisors (12509179).

87132101 is a wasteful number, since it uses less digits than its factorization.

87132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7723.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 87132101 is about 9334.4577239388. The cubic root of 87132101 is about 443.3289191839.

Adding to 87132101 its reverse (10123178), we get a palindrome (97255279).

The spelling of 87132101 in words is "eighty-seven million, one hundred thirty-two thousand, one hundred one".