1150438 has 4 divisors (see below), whose sum is σ = 1725660. Its totient is φ = 575218.

The previous prime is 1150423. The next prime is 1150447. The reversal of 1150438 is 8340511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8340511 = 313 ⋅26647.

It is an Ulam number.

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, 287608 + ... + 287611.

It is an arithmetic number, because the mean of its divisors is an integer number (431415).

2^1150438 is an apocalyptic number.

1150438 is a deficient number, since it is larger than the sum of its proper divisors (575222).

1150438 is an equidigital number, since it uses as much as digits as its factorization.

1150438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575221.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1150438 is about 1072.5847285879. The cubic root of 1150438 is about 104.7822547310.

Adding to 1150438 its reverse (8340511), we get a palindrome (9490949).

The spelling of 1150438 in words is "one million, one hundred fifty thousand, four hundred thirty-eight".