1147022 has 4 divisors (see below), whose sum is σ = 1720536. Its totient is φ = 573510.

The previous prime is 1147021. The next prime is 1147039. The reversal of 1147022 is 2207411.

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 (1147021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286754 + ... + 286757.

It is an arithmetic number, because the mean of its divisors is an integer number (430134).

2^1147022 is an apocalyptic number.

1147022 is a deficient number, since it is larger than the sum of its proper divisors (573514).

1147022 is an equidigital number, since it uses as much as digits as its factorization.

1147022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573513.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1147022 is about 1070.9911297485. The cubic root of 1147022 is about 104.6784417944.

The spelling of 1147022 in words is "one million, one hundred forty-seven thousand, twenty-two".