1148238 has 48 divisors (see below), whose sum is σ = 3066336. Its totient is φ = 302400.

The previous prime is 1148219. The next prime is 1148249. The reversal of 1148238 is 8328411.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1288 + ... + 1988.

It is an arithmetic number, because the mean of its divisors is an integer number (63882).

2^1148238 is an apocalyptic number.

1148238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533168).

1148238 is an abundant number, since it is smaller than the sum of its proper divisors (1918098).

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

1148238 is a wasteful number, since it uses less digits than its factorization.

1148238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 726 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1148238 is about 1071.5586778147. The cubic root of 1148238 is about 104.7154198792.

The spelling of 1148238 in words is "one million, one hundred forty-eight thousand, two hundred thirty-eight".