1147798 has 4 divisors (see below), whose sum is σ = 1721700. Its totient is φ = 573898.

The previous prime is 1147793. The next prime is 1147819. The reversal of 1147798 is 8977411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286948 + ... + 286951.

It is an arithmetic number, because the mean of its divisors is an integer number (430425).

2^1147798 is an apocalyptic number.

1147798 is a deficient number, since it is larger than the sum of its proper divisors (573902).

1147798 is an equidigital number, since it uses as much as digits as its factorization.

1147798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573901.

The product of its digits is 14112, while the sum is 37.

The square root of 1147798 is about 1071.3533497404. The cubic root of 1147798 is about 104.7020426667.

The spelling of 1147798 in words is "one million, one hundred forty-seven thousand, seven hundred ninety-eight".