1138006 has 4 divisors (see below), whose sum is σ = 1707012. Its totient is φ = 569002.

The previous prime is 1137991. The next prime is 1138019. The reversal of 1138006 is 6008311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6008311 = 1733 ⋅3467.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284500 + ... + 284503.

It is an arithmetic number, because the mean of its divisors is an integer number (426753).

2^1138006 is an apocalyptic number.

1138006 is a deficient number, since it is larger than the sum of its proper divisors (569006).

1138006 is an equidigital number, since it uses as much as digits as its factorization.

1138006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569005.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1138006 is about 1066.7736404692. The cubic root of 1138006 is about 104.4034501191.

The spelling of 1138006 in words is "one million, one hundred thirty-eight thousand, six".