100500801 has 4 divisors (see below), whose sum is σ = 134001072. Its totient is φ = 67000532.

The previous prime is 100500797. The next prime is 100500809. The reversal of 100500801 is 108005001.

It is a happy number.

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 100500801 - 2² = 100500797 is a prime.

It is a super-2 number, since 2×100500801² = 20200822003283202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100500809) 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, 16750131 + ... + 16750136.

It is an arithmetic number, because the mean of its divisors is an integer number (33500268).

Almost surely, 2^100500801 is an apocalyptic number.

It is an amenable number.

100500801 is a deficient number, since it is larger than the sum of its proper divisors (33500271).

100500801 is an equidigital number, since it uses as much as digits as its factorization.

100500801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33500270.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 100500801 is about 10025.0087780510. The cubic root of 100500801 is about 464.9324309266.

Adding to 100500801 its reverse (108005001), we get a palindrome (208505802).

The spelling of 100500801 in words is "one hundred million, five hundred thousand, eight hundred one".