1151338 has 4 divisors (see below), whose sum is σ = 1727010. Its totient is φ = 575668.

The previous prime is 1151333. The next prime is 1151363. The reversal of 1151338 is 8331511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8331511 = 1031 ⋅8081.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 9 = 1073^2 + 3^2 .

It is not an unprimeable number, because it can be changed into a prime (1151333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287833 + ... + 287836.

2^1151338 is an apocalyptic number.

1151338 is a deficient number, since it is larger than the sum of its proper divisors (575672).

1151338 is an equidigital number, since it uses as much as digits as its factorization.

1151338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575671.

The product of its digits is 360, while the sum is 22.

The square root of 1151338 is about 1073.0041938408. The cubic root of 1151338 is about 104.8095717031.

Adding to 1151338 its reverse (8331511), we get a palindrome (9482849).

The spelling of 1151338 in words is "one million, one hundred fifty-one thousand, three hundred thirty-eight".