112947257 has 4 divisors (see below), whose sum is σ = 116842020. Its totient is φ = 109052496.

The previous prime is 112947253. The next prime is 112947259. The reversal of 112947257 is 752749211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47596201 + 65351056 = 6899^2 + 8084^2 .

It is a cyclic number.

It is not a de Polignac number, because 112947257 - 2² = 112947253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112947257.

It is not an unprimeable number, because it can be changed into a prime (112947253) 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, 1947338 + ... + 1947395.

It is an arithmetic number, because the mean of its divisors is an integer number (29210505).

Almost surely, 2^112947257 is an apocalyptic number.

It is an amenable number.

112947257 is a deficient number, since it is larger than the sum of its proper divisors (3894763).

112947257 is an equidigital number, since it uses as much as digits as its factorization.

112947257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894762.

The product of its digits is 35280, while the sum is 38.

The square root of 112947257 is about 10627.6647011467. The cubic root of 112947257 is about 483.3835825152.

The spelling of 112947257 in words is "one hundred twelve million, nine hundred forty-seven thousand, two hundred fifty-seven".