90197103 has 8 divisors (see below), whose sum is σ = 120494848. Its totient is φ = 60015384.

The previous prime is 90197077. The next prime is 90197111. The reversal of 90197103 is 30179109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90197103 - 2¹⁸ = 89934959 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 (90197803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27175 + ... + 30312.

It is an arithmetic number, because the mean of its divisors is an integer number (15061856).

Almost surely, 2^90197103 is an apocalyptic number.

90197103 is a deficient number, since it is larger than the sum of its proper divisors (30297745).

90197103 is a wasteful number, since it uses less digits than its factorization.

90197103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58013.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 90197103 is about 9497.2155393041. The cubic root of 90197103 is about 448.4673836504.

The spelling of 90197103 in words is "ninety million, one hundred ninety-seven thousand, one hundred three".