71101087 has 8 divisors (see below), whose sum is σ = 73412352. Its totient is φ = 68810400.

The previous prime is 71101081. The next prime is 71101091. The reversal of 71101087 is 78010117.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71101087 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 (71101081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (9176544).

Almost surely, 2^71101087 is an apocalyptic number.

71101087 is a deficient number, since it is larger than the sum of its proper divisors (2311265).

71101087 is a wasteful number, since it uses less digits than its factorization.

71101087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10289.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 71101087 is about 8432.1460494942. The cubic root of 71101087 is about 414.2781995183.

The spelling of 71101087 in words is "seventy-one million, one hundred one thousand, eighty-seven".