1129161506 has 8 divisors (see below), whose sum is σ = 1847718864. Its totient is φ = 513255220.

The previous prime is 1129161497. The next prime is 1129161559. The reversal of 1129161506 is 6051619211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 25662740 + ... + 25662783.

It is an arithmetic number, because the mean of its divisors is an integer number (230964858).

Almost surely, 2^1129161506 is an apocalyptic number.

1129161506 is a deficient number, since it is larger than the sum of its proper divisors (718557358).

1129161506 is a wasteful number, since it uses less digits than its factorization.

1129161506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51325536.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1129161506 is about 33602.9984673987. The cubic root of 1129161506 is about 1041.3227455497.

The spelling of 1129161506 in words is "one billion, one hundred twenty-nine million, one hundred sixty-one thousand, five hundred six".