90001101 has 4 divisors (see below), whose sum is σ = 120001472. Its totient is φ = 60000732.

The previous prime is 90001073. The next prime is 90001117. The reversal of 90001101 is 10110009.

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 not a de Polignac number, because 90001101 - 2⁵ = 90001069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90001141) 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, 15000181 + ... + 15000186.

It is an arithmetic number, because the mean of its divisors is an integer number (30000368).

Almost surely, 2^90001101 is an apocalyptic number.

It is an amenable number.

90001101 is a deficient number, since it is larger than the sum of its proper divisors (30000371).

90001101 is a wasteful number, since it uses less digits than its factorization.

90001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30000370.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 90001101 is about 9486.8910081227. The cubic root of 90001101 is about 448.1423020655.

It can be divided in two parts, 9000 and 1101, that added together give a palindrome (10101).

The spelling of 90001101 in words is "ninety million, one thousand, one hundred one".