71201099 has 4 divisors (see below), whose sum is σ = 72716064. Its totient is φ = 69686136.

The previous prime is 71201093. The next prime is 71201107. The reversal of 71201099 is 99010217.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71201099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71201093) 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, 757412 + ... + 757505.

It is an arithmetic number, because the mean of its divisors is an integer number (18179016).

Almost surely, 2^71201099 is an apocalyptic number.

71201099 is a deficient number, since it is larger than the sum of its proper divisors (1514965).

71201099 is a wasteful number, since it uses less digits than its factorization.

71201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514964.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 71201099 is about 8438.0743656358. The cubic root of 71201099 is about 414.4723521045.

The spelling of 71201099 in words is "seventy-one million, two hundred one thousand, ninety-nine".