100427001 has 8 divisors (see below), whose sum is σ = 134000640. Its totient is φ = 66902352.

The previous prime is 100426967. The next prime is 100427003. The reversal of 100427001 is 100724001.

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

It is not a de Polignac number, because 100427001 - 2¹⁰ = 100425977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100427003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7161 + ... + 15878.

It is an arithmetic number, because the mean of its divisors is an integer number (16750080).

Almost surely, 2^100427001 is an apocalyptic number.

It is an amenable number.

100427001 is a deficient number, since it is larger than the sum of its proper divisors (33573639).

100427001 is a wasteful number, since it uses less digits than its factorization.

100427001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24495.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 100427001 is about 10021.3273072982. The cubic root of 100427001 is about 464.8185996099.

The spelling of 100427001 in words is "one hundred million, four hundred twenty-seven thousand, one".