71211203 has 8 divisors (see below), whose sum is σ = 81553920. Its totient is φ = 60910920.

The previous prime is 71211193. The next prime is 71211209. The reversal of 71211203 is 30211217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71211203 - 2¹⁶ = 71145667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6923 + ... + 13796.

It is an arithmetic number, because the mean of its divisors is an integer number (10194240).

Almost surely, 2^71211203 is an apocalyptic number.

71211203 is a deficient number, since it is larger than the sum of its proper divisors (10342717).

71211203 is a wasteful number, since it uses less digits than its factorization.

71211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21217.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 71211203 is about 8438.6730591960. The cubic root of 71211203 is about 414.4919568139.

The spelling of 71211203 in words is "seventy-one million, two hundred eleven thousand, two hundred three".