112971709 has 4 divisors (see below), whose sum is σ = 113089504. Its totient is φ = 112853916.

The previous prime is 112971697. The next prime is 112971713. The reversal of 112971709 is 907179211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112971709 - 2²⁵ = 79417277 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 (112971109) 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, 57447 + ... + 59380.

It is an arithmetic number, because the mean of its divisors is an integer number (28272376).

Almost surely, 2^112971709 is an apocalyptic number.

It is an amenable number.

112971709 is a deficient number, since it is larger than the sum of its proper divisors (117795).

112971709 is an equidigital number, since it uses as much as digits as its factorization.

112971709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117794.

The product of its (nonzero) digits is 7938, while the sum is 37.

The square root of 112971709 is about 10628.8150327306. The cubic root of 112971709 is about 483.4184626378.

The spelling of 112971709 in words is "one hundred twelve million, nine hundred seventy-one thousand, seven hundred nine".