100828001 has 4 divisors (see below), whose sum is σ = 100892352. Its totient is φ = 100763652.

The previous prime is 100827977. The next prime is 100828009.

100828001 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100828001 - 2²² = 96633697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100828009) 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, 29765 + ... + 32978.

It is an arithmetic number, because the mean of its divisors is an integer number (25223088).

Almost surely, 2^100828001 is an apocalyptic number.

It is an amenable number.

100828001 is a deficient number, since it is larger than the sum of its proper divisors (64351).

100828001 is an equidigital number, since it uses as much as digits as its factorization.

100828001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64350.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 100828001 is about 10041.3147047585. The cubic root of 100828001 is about 465.4364438167.

The spelling of 100828001 in words is "one hundred million, eight hundred twenty-eight thousand, one".