1148022 has 48 divisors (see below), whose sum is σ = 2695680. Its totient is φ = 352176.

The previous prime is 1147997. The next prime is 1148029. The reversal of 1148022 is 2208411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1147986 and 1148004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19429 + ... + 19487.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2^1148022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347840).

1148022 is an abundant number, since it is smaller than the sum of its proper divisors (1547658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148022 is a wasteful number, since it uses less digits than its factorization.

1148022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1148022 is about 1071.4578853133. The cubic root of 1148022 is about 104.7088533111.

The spelling of 1148022 in words is "one million, one hundred forty-eight thousand, twenty-two".