71101901 has 16 divisors (see below), whose sum is σ = 82072704. Its totient is φ = 61072704.

The previous prime is 71101897. The next prime is 71101907. The reversal of 71101901 is 10910117.

It is a cyclic number.

It is not a de Polignac number, because 71101901 - 2² = 71101897 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 (71101907) 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, 7850 + ... + 14276.

It is an arithmetic number, because the mean of its divisors is an integer number (5129544).

Almost surely, 2^71101901 is an apocalyptic number.

It is an amenable number.

71101901 is a deficient number, since it is larger than the sum of its proper divisors (10970803).

71101901 is a wasteful number, since it uses less digits than its factorization.

71101901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500.

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 71101901 is about 8432.1943170209. The cubic root of 71101901 is about 414.2797804654.

The spelling of 71101901 in words is "seventy-one million, one hundred one thousand, nine hundred one".