100132427 has 4 divisors (see below), whose sum is σ = 100350096. Its totient is φ = 99914760.

The previous prime is 100132411. The next prime is 100132463. The reversal of 100132427 is 724231001.

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

It is a cyclic number.

It is not a de Polignac number, because 100132427 - 2⁴ = 100132411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100132399 and 100132408.

It is not an unprimeable number, because it can be changed into a prime (100132477) 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, 108143 + ... + 109064.

It is an arithmetic number, because the mean of its divisors is an integer number (25087524).

Almost surely, 2^100132427 is an apocalyptic number.

100132427 is a deficient number, since it is larger than the sum of its proper divisors (217669).

100132427 is an equidigital number, since it uses as much as digits as its factorization.

100132427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217668.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 100132427 is about 10006.6191593365. The cubic root of 100132427 is about 464.3636835458.

Adding to 100132427 its reverse (724231001), we get a palindrome (824363428).

The spelling of 100132427 in words is "one hundred million, one hundred thirty-two thousand, four hundred twenty-seven".