900099101 has 4 divisors (see below), whose sum is σ = 981926304. Its totient is φ = 818271900.

The previous prime is 900099077. The next prime is 900099113. The reversal of 900099101 is 101990009.

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 900099101 - 2²⁶ = 832990237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900099121) 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, 40913585 + ... + 40913606.

It is an arithmetic number, because the mean of its divisors is an integer number (245481576).

Almost surely, 2^900099101 is an apocalyptic number.

It is an amenable number.

900099101 is a deficient number, since it is larger than the sum of its proper divisors (81827203).

900099101 is a wasteful number, since it uses less digits than its factorization.

900099101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81827202.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 900099101 is about 30001.6516378682. The cubic root of 900099101 is about 965.5248206989.

The spelling of 900099101 in words is "nine hundred million, ninety-nine thousand, one hundred one".