101132555 has 4 divisors (see below), whose sum is σ = 121359072. Its totient is φ = 80906040.

The previous prime is 101132543. The next prime is 101132557. The reversal of 101132555 is 555231101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 555231101 = 17 ⋅32660653.

It is not a de Polignac number, because 101132555 - 2⁴ = 101132539 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 101132555.

It is not an unprimeable number, because it can be changed into a prime (101132557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10113251 + ... + 10113260.

It is an arithmetic number, because the mean of its divisors is an integer number (30339768).

Almost surely, 2^101132555 is an apocalyptic number.

101132555 is a deficient number, since it is larger than the sum of its proper divisors (20226517).

101132555 is an equidigital number, since it uses as much as digits as its factorization.

101132555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20226516.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 101132555 is about 10056.4683164618. The cubic root of 101132555 is about 465.9045943560.

Adding to 101132555 its reverse (555231101), we get a palindrome (656363656).

The spelling of 101132555 in words is "one hundred one million, one hundred thirty-two thousand, five hundred fifty-five".