1138234 has 4 divisors (see below), whose sum is σ = 1707354. Its totient is φ = 569116.

The previous prime is 1138213. The next prime is 1138237. The reversal of 1138234 is 4328311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4328311 = 13 ⋅332947.

It can be written as a sum of positive squares in only one way, i.e., 1096209 + 42025 = 1047^2 + 205^2 .

It is not an unprimeable number, because it can be changed into a prime (1138237) by changing a digit.

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, 284557 + ... + 284560.

2^1138234 is an apocalyptic number.

1138234 is a deficient number, since it is larger than the sum of its proper divisors (569120).

1138234 is an equidigital number, since it uses as much as digits as its factorization.

1138234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569119.

The product of its digits is 576, while the sum is 22.

The square root of 1138234 is about 1066.8804994000. The cubic root of 1138234 is about 104.4104220792.

The spelling of 1138234 in words is "one million, one hundred thirty-eight thousand, two hundred thirty-four".