100947503 has 2 divisors, whose sum is σ = 100947504. Its totient is φ = 100947502.

The previous prime is 100947487. The next prime is 100947523. The reversal of 100947503 is 305749001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100947503 - 2⁴ = 100947487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100947523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50473751 + 50473752.

It is an arithmetic number, because the mean of its divisors is an integer number (50473752).

Almost surely, 2^100947503 is an apocalyptic number.

100947503 is a deficient number, since it is larger than the sum of its proper divisors (1).

100947503 is an equidigital number, since it uses as much as digits as its factorization.

100947503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 100947503 is about 10047.2634582756. The cubic root of 100947503 is about 465.6202506490.

The spelling of 100947503 in words is "one hundred million, nine hundred forty-seven thousand, five hundred three".