1152131432 has 8 divisors (see below), whose sum is σ = 2160246450. Its totient is φ = 576065712.

The previous prime is 1152131369. The next prime is 1152131441. The reversal of 1152131432 is 2341312511.

It can be written as a sum of positive squares in only one way, i.e., 940894276 + 211237156 = 30674^2 + 14534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1152131398 and 1152131407.

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, 72008207 + ... + 72008222.

Almost surely, 2^1152131432 is an apocalyptic number.

It is an amenable number.

1152131432 is a deficient number, since it is larger than the sum of its proper divisors (1008115018).

1152131432 is a wasteful number, since it uses less digits than its factorization.

1152131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144016435 (or 144016431 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1152131432 is about 33943.0616179507. The cubic root of 1152131432 is about 1048.3364229827.

Adding to 1152131432 its reverse (2341312511), we get a palindrome (3493443943).

The spelling of 1152131432 in words is "one billion, one hundred fifty-two million, one hundred thirty-one thousand, four hundred thirty-two".