71002103 has 4 divisors (see below), whose sum is σ = 71019168. Its totient is φ = 70985040.

The previous prime is 71002093. The next prime is 71002117. The reversal of 71002103 is 30120017.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 71002103 - 2²² = 66807799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71002003) 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, 2258 + ... + 12128.

It is an arithmetic number, because the mean of its divisors is an integer number (17754792).

Almost surely, 2^71002103 is an apocalyptic number.

71002103 is a deficient number, since it is larger than the sum of its proper divisors (17065).

71002103 is an equidigital number, since it uses as much as digits as its factorization.

71002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17064.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 71002103 is about 8426.2745623437. The cubic root of 71002103 is about 414.0858632304.

The spelling of 71002103 in words is "seventy-one million, two thousand, one hundred three".