1138248 has 24 divisors (see below), whose sum is σ = 3082950. Its totient is φ = 379392.

The previous prime is 1138237. The next prime is 1138273. The reversal of 1138248 is 8428311.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 10404 = 1062^2 + 102^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7833 + ... + 7976.

2^1138248 is an apocalyptic number.

1138248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1138248 is an abundant number, since it is smaller than the sum of its proper divisors (1944702).

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

1138248 is a wasteful number, since it uses less digits than its factorization.

1138248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15821 (or 15814 counting only the distinct ones).

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

The square root of 1138248 is about 1066.8870605645. The cubic root of 1138248 is about 104.4108501517.

The spelling of 1138248 in words is "one million, one hundred thirty-eight thousand, two hundred forty-eight".