90000103 has 2 divisors, whose sum is σ = 90000104. Its totient is φ = 90000102.

The previous prime is 90000089. The next prime is 90000107. The reversal of 90000103 is 30100009.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90000103 - 2¹³ = 89991911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90000107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45000051 + 45000052.

It is an arithmetic number, because the mean of its divisors is an integer number (45000052).

Almost surely, 2^90000103 is an apocalyptic number.

90000103 is a deficient number, since it is larger than the sum of its proper divisors (1).

90000103 is an equidigital number, since it uses as much as digits as its factorization.

90000103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 90000103 is about 9486.8384090802. The cubic root of 90000103 is about 448.1406456129.

The spelling of 90000103 in words is "ninety million, one hundred three", and thus it is an aban number.