112728947 has 2 divisors, whose sum is σ = 112728948. Its totient is φ = 112728946.

The previous prime is 112728937. The next prime is 112728949. The reversal of 112728947 is 749827211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112728947 - 2¹⁴ = 112712563 is a prime.

Together with 112728949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112728949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56364473 + 56364474.

It is an arithmetic number, because the mean of its divisors is an integer number (56364474).

Almost surely, 2^112728947 is an apocalyptic number.

112728947 is a deficient number, since it is larger than the sum of its proper divisors (1).

112728947 is an equidigital number, since it uses as much as digits as its factorization.

112728947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 41.

The square root of 112728947 is about 10617.3888974644. The cubic root of 112728947 is about 483.0719458116.

The spelling of 112728947 in words is "one hundred twelve million, seven hundred twenty-eight thousand, nine hundred forty-seven".