71120969 has 8 divisors (see below), whose sum is σ = 72467328. Its totient is φ = 69783120.

The previous prime is 71120927. The next prime is 71120981. The reversal of 71120969 is 96902117.

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-71120969 is a prime.

It is a super-2 number, since 2×71120969² = 10116384462997922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71120989) 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, 16199 + ... + 20115.

It is an arithmetic number, because the mean of its divisors is an integer number (9058416).

Almost surely, 2^71120969 is an apocalyptic number.

It is an amenable number.

71120969 is a deficient number, since it is larger than the sum of its proper divisors (1346359).

71120969 is a wasteful number, since it uses less digits than its factorization.

71120969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 71120969 is about 8433.3249077692. The cubic root of 71120969 is about 414.3168107964.

The spelling of 71120969 in words is "seventy-one million, one hundred twenty thousand, nine hundred sixty-nine".