99450101 has 4 divisors (see below), whose sum is σ = 101326572. Its totient is φ = 97573632.

The previous prime is 99450083. The next prime is 99450103. The reversal of 99450101 is 10105499.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51480625 + 47969476 = 7175^2 + 6926^2 .

It is a cyclic number.

It is not a de Polignac number, because 99450101 - 2⁶ = 99450037 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 (99450103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938156 + ... + 938261.

It is an arithmetic number, because the mean of its divisors is an integer number (25331643).

Almost surely, 2^99450101 is an apocalyptic number.

It is an amenable number.

99450101 is a deficient number, since it is larger than the sum of its proper divisors (1876471).

99450101 is a wasteful number, since it uses less digits than its factorization.

99450101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876470.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 99450101 is about 9972.4671471006. The cubic root of 99450101 is about 463.3065173768.

The spelling of 99450101 in words is "ninety-nine million, four hundred fifty thousand, one hundred one".