1140238 has 8 divisors (see below), whose sum is σ = 1865880. Its totient is φ = 518280.

The previous prime is 1140233. The next prime is 1140239. The reversal of 1140238 is 8320411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25893 + ... + 25936.

It is an arithmetic number, because the mean of its divisors is an integer number (233235).

2^1140238 is an apocalyptic number.

1140238 is a deficient number, since it is larger than the sum of its proper divisors (725642).

1140238 is a wasteful number, since it uses less digits than its factorization.

1140238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51842.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1140238 is about 1067.8192730982. The cubic root of 1140238 is about 104.4716619207.

Adding to 1140238 its reverse (8320411), we get a palindrome (9460649).

It can be divided in two parts, 1140 and 238, that added together give a triangular number (1378 = T₅₂).

The spelling of 1140238 in words is "one million, one hundred forty thousand, two hundred thirty-eight".