1129959355 has 48 divisors (see below), whose sum is σ = 1685594880. Its totient is φ = 722893248.

The previous prime is 1129959343. The next prime is 1129959359. The reversal of 1129959355 is 5539599211.

It is not a de Polignac number, because 1129959355 - 2¹⁵ = 1129926587 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 1129959299 and 1129959308.

It is not an unprimeable number, because it can be changed into a prime (1129959359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310074 + ... + 313696.

It is an arithmetic number, because the mean of its divisors is an integer number (35116560).

Almost surely, 2^1129959355 is an apocalyptic number.

1129959355 is a deficient number, since it is larger than the sum of its proper divisors (555635525).

1129959355 is a wasteful number, since it uses less digits than its factorization.

1129959355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728 (or 3721 counting only the distinct ones).

The product of its digits is 546750, while the sum is 49.

The square root of 1129959355 is about 33614.8680645931. The cubic root of 1129959355 is about 1041.5679489454.

The spelling of 1129959355 in words is "one billion, one hundred twenty-nine million, nine hundred fifty-nine thousand, three hundred fifty-five".