1152459321 has 16 divisors (see below), whose sum is σ = 1726763136. Its totient is φ = 678370176.

The previous prime is 1152459281. The next prime is 1152459323. The reversal of 1152459321 is 1239542511.

It is a happy number.

It is not a de Polignac number, because 1152459321 - 2¹³ = 1152451129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152459323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641500 + ... + 643293.

It is an arithmetic number, because the mean of its divisors is an integer number (107922696).

Almost surely, 2^1152459321 is an apocalyptic number.

It is an amenable number.

1152459321 is a deficient number, since it is larger than the sum of its proper divisors (574303815).

1152459321 is a wasteful number, since it uses less digits than its factorization.

1152459321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284832.

The product of its digits is 10800, while the sum is 33.

The square root of 1152459321 is about 33947.8912599884. The cubic root of 1152459321 is about 1048.4358634251.

The spelling of 1152459321 in words is "one billion, one hundred fifty-two million, four hundred fifty-nine thousand, three hundred twenty-one".