1148488 has 32 divisors (see below), whose sum is σ = 2430720. Its totient is φ = 504000.

The previous prime is 1148453. The next prime is 1148489. The reversal of 1148488 is 8848411.

It is a happy number.

It is a super-2 number, since 2×1148488² = 2638049372288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1148489) 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 in 7 ways as a sum of consecutive naturals, for example, 2518 + ... + 2938.

It is an arithmetic number, because the mean of its divisors is an integer number (75960).

2^1148488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215360).

1148488 is an abundant number, since it is smaller than the sum of its proper divisors (1282232).

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

1148488 is a wasteful number, since it uses less digits than its factorization.

1148488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its digits is 8192, while the sum is 34.

The square root of 1148488 is about 1071.6753239671. The cubic root of 1148488 is about 104.7230190457.

The spelling of 1148488 in words is "one million, one hundred forty-eight thousand, four hundred eighty-eight".