1138575 has 48 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 529920.

The previous prime is 1138567. The next prime is 1138589. The reversal of 1138575 is 5758311.

It is not a de Polignac number, because 1138575 - 2³ = 1138567 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24202 + ... + 24248.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2^1138575 is an apocalyptic number.

1138575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1138575 is a deficient number, since it is larger than the sum of its proper divisors (1004145).

1138575 is a wasteful number, since it uses less digits than its factorization.

1138575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 91 counting only the distinct ones).

The product of its digits is 4200, while the sum is 30.

The square root of 1138575 is about 1067.0402991453. The cubic root of 1138575 is about 104.4208477032.

The spelling of 1138575 in words is "one million, one hundred thirty-eight thousand, five hundred seventy-five".