101066003 has 4 divisors (see below), whose sum is σ = 107011080. Its totient is φ = 95120928.

The previous prime is 101065973. The next prime is 101066033. The reversal of 101066003 is 300660101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300660101 = 7 ⋅42951443.

It is an interprime number because it is at equal distance from previous prime (101065973) and next prime (101066033).

It is a cyclic number.

It is not a de Polignac number, because 101066003 - 2¹² = 101061907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 5945059 = 101066003 / (1 + 0 + 1 + 0 + 6 + 6 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101066033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972513 + ... + 2972546.

It is an arithmetic number, because the mean of its divisors is an integer number (26752770).

Almost surely, 2^101066003 is an apocalyptic number.

101066003 is a deficient number, since it is larger than the sum of its proper divisors (5945077).

101066003 is an equidigital number, since it uses as much as digits as its factorization.

101066003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945076.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 101066003 is about 10053.1588567972. The cubic root of 101066003 is about 465.8023731126.

The spelling of 101066003 in words is "one hundred one million, sixty-six thousand, three".