71057103 has 16 divisors (see below), whose sum is σ = 103326720. Its totient is φ = 43172064.

The previous prime is 71057099. The next prime is 71057123. The reversal of 71057103 is 30175017.

It is not a de Polignac number, because 71057103 - 2² = 71057099 is a prime.

It is a super-2 number, since 2×71057103² = 10098223773505218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71057123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8451 + ... + 14612.

It is an arithmetic number, because the mean of its divisors is an integer number (6457920).

Almost surely, 2^71057103 is an apocalyptic number.

71057103 is a deficient number, since it is larger than the sum of its proper divisors (32269617).

71057103 is a wasteful number, since it uses less digits than its factorization.

71057103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23158.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 71057103 is about 8429.5375317985. The cubic root of 71057103 is about 414.1927560473.

The spelling of 71057103 in words is "seventy-one million, fifty-seven thousand, one hundred three".