101087603 has 2 divisors, whose sum is σ = 101087604. Its totient is φ = 101087602.

The previous prime is 101087587. The next prime is 101087629. The reversal of 101087603 is 306780101.

It is an a-pointer prime, because the next prime (101087629) can be obtained adding 101087603 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (306780101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101087603 - 2⁴ = 101087587 is a prime.

It is not a weakly prime, because it can be changed into another prime (101087633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50543801 + 50543802.

It is an arithmetic number, because the mean of its divisors is an integer number (50543802).

Almost surely, 2^101087603 is an apocalyptic number.

101087603 is a deficient number, since it is larger than the sum of its proper divisors (1).

101087603 is an equidigital number, since it uses as much as digits as its factorization.

101087603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 101087603 is about 10054.2330886050. The cubic root of 101087603 is about 465.8355547769.

The spelling of 101087603 in words is "one hundred one million, eighty-seven thousand, six hundred three".