1129956506 has 8 divisors (see below), whose sum is σ = 1937068320. Its totient is φ = 484267068.

The previous prime is 1129956491. The next prime is 1129956511. The reversal of 1129956506 is 6056599211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40355576 + ... + 40355603.

It is an arithmetic number, because the mean of its divisors is an integer number (242133540).

Almost surely, 2^1129956506 is an apocalyptic number.

1129956506 is a deficient number, since it is larger than the sum of its proper divisors (807111814).

1129956506 is an equidigital number, since it uses as much as digits as its factorization.

1129956506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80711188.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 1129956506 is about 33614.8256874850. The cubic root of 1129956506 is about 1041.5670735659.

The spelling of 1129956506 in words is "one billion, one hundred twenty-nine million, nine hundred fifty-six thousand, five hundred six".