1129469455 has 16 divisors (see below), whose sum is σ = 1398499200. Its totient is φ = 875215872.

The previous prime is 1129469417. The next prime is 1129469479. The reversal of 1129469455 is 5549649211.

It is a cyclic number.

It is not a de Polignac number, because 1129469455 - 2¹⁵ = 1129436687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980 + ... + 47569.

It is an arithmetic number, because the mean of its divisors is an integer number (87406200).

Almost surely, 2^1129469455 is an apocalyptic number.

1129469455 is a deficient number, since it is larger than the sum of its proper divisors (269029745).

1129469455 is an equidigital number, since it uses as much as digits as its factorization.

1129469455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49698.

The product of its digits is 388800, while the sum is 46.

The square root of 1129469455 is about 33607.5803205170. The cubic root of 1129469455 is about 1041.4174013773.

The spelling of 1129469455 in words is "one billion, one hundred twenty-nine million, four hundred sixty-nine thousand, four hundred fifty-five".