1129159952 has 10 divisors (see below), whose sum is σ = 2187747438. Its totient is φ = 564579968.

The previous prime is 1129159939. The next prime is 1129159957. The reversal of 1129159952 is 2599519211.

It can be written as a sum of positive squares in only one way, i.e., 856381696 + 272778256 = 29264^2 + 16516^2 .

It is not an unprimeable number, because it can be changed into a prime (1129159957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35286233 + ... + 35286264.

Almost surely, 2^1129159952 is an apocalyptic number.

It is an amenable number.

1129159952 is a deficient number, since it is larger than the sum of its proper divisors (1058587486).

1129159952 is an equidigital number, since it uses as much as digits as its factorization.

1129159952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70572505 (or 70572499 counting only the distinct ones).

The product of its digits is 72900, while the sum is 44.

The square root of 1129159952 is about 33602.9753444542. The cubic root of 1129159952 is about 1041.3222678453.

The spelling of 1129159952 in words is "one billion, one hundred twenty-nine million, one hundred fifty-nine thousand, nine hundred fifty-two".