1152732439 has 4 divisors (see below), whose sum is σ = 1154137320. Its totient is φ = 1151327560.

The previous prime is 1152732437. The next prime is 1152732461. The reversal of 1152732439 is 9342372511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1152732439 - 2¹ = 1152732437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1152732398 and 1152732407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152732437) 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, 701209 + ... + 702850.

It is an arithmetic number, because the mean of its divisors is an integer number (288534330).

Almost surely, 2^1152732439 is an apocalyptic number.

1152732439 is a deficient number, since it is larger than the sum of its proper divisors (1404881).

1152732439 is an equidigital number, since it uses as much as digits as its factorization.

1152732439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404880.

The product of its digits is 45360, while the sum is 37.

The square root of 1152732439 is about 33951.9136279533. The cubic root of 1152732439 is about 1048.5186788106.

The spelling of 1152732439 in words is "one billion, one hundred fifty-two million, seven hundred thirty-two thousand, four hundred thirty-nine".