999997000103 has 2 divisors, whose sum is σ = 999997000104. Its totient is φ = 999997000102.

The previous prime is 999997000087. The next prime is 999997000109. The reversal of 999997000103 is 301000799999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999997000103 - 2⁴ = 999997000087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999997000109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499998500051 + 499998500052.

It is an arithmetic number, because the mean of its divisors is an integer number (499998500052).

Almost surely, 2^999997000103 is an apocalyptic number.

999997000103 is a deficient number, since it is larger than the sum of its proper divisors (1).

999997000103 is an equidigital number, since it uses as much as digits as its factorization.

999997000103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1240029, while the sum is 56.

The spelling of 999997000103 in words is "nine hundred ninety-nine billion, nine hundred ninety-seven million, one hundred three", and thus it is an aban number.