1129489080 has 64 divisors (see below), whose sum is σ = 3391027200. Its totient is φ = 300969600.

The previous prime is 1129489073. The next prime is 1129489091. The reversal of 1129489080 is 809849211.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 208405 + ... + 213755.

It is an arithmetic number, because the mean of its divisors is an integer number (52984800).

Almost surely, 2^1129489080 is an apocalyptic number.

1129489080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1129489080 is an abundant number, since it is smaller than the sum of its proper divisors (2261538120).

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

1129489080 is a wasteful number, since it uses less digits than its factorization.

1129489080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7124 (or 7120 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 1129489080 is about 33607.8722920687. The cubic root of 1129489080 is about 1041.4234330288.

The spelling of 1129489080 in words is "one billion, one hundred twenty-nine million, four hundred eighty-nine thousand, eighty".