1129706480 has 40 divisors (see below), whose sum is σ = 3001792992. Its totient is φ = 387327744.

The previous prime is 1129706477. The next prime is 1129706561. The reversal of 1129706480 is 846079211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008107 + ... + 1009226.

Almost surely, 2^1129706480 is an apocalyptic number.

1129706480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129706480 is an abundant number, since it is smaller than the sum of its proper divisors (1872086512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1129706480 is a wasteful number, since it uses less digits than its factorization.

1129706480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017353 (or 2017347 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1129706480 is about 33611.1064977040. The cubic root of 1129706480 is about 1041.4902452226.

The spelling of 1129706480 in words is "one billion, one hundred twenty-nine million, seven hundred six thousand, four hundred eighty".