1151329 has 9 divisors (see below), whose sum is σ = 1225497. Its totient is φ = 1081584.

The previous prime is 1151327. The next prime is 1151333. The reversal of 1151329 is 9231511.

The square root of 1151329 is 1073.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 245025 + 906304 = 495^2 + 952^2 .

It is not a de Polignac number, because 1151329 - 2¹ = 1151327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31099 + ... + 31135.

2^1151329 is an apocalyptic number.

1151329 is the 1073-rd square number.

1151329 is the 537-th centered octagonal number.

It is an amenable number.

1151329 is a deficient number, since it is larger than the sum of its proper divisors (74168).

1151329 is an frugal number, since it uses more digits than its factorization.

1151329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 66 counting only the distinct ones).

The product of its digits is 270, while the sum is 22.

The cubic root of 1151329 is about 104.8092986039.

It can be divided in two parts, 115 and 1329, that added together give a square (1444 = 38²).

The spelling of 1151329 in words is "one million, one hundred fifty-one thousand, three hundred twenty-nine".