1129990596 has 48 divisors (see below), whose sum is σ = 3062720640. Its totient is φ = 317560320.

The previous prime is 1129990573. The next prime is 1129990607. The reversal of 1129990596 is 6950999211.

It is a happy 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, 105141 + ... + 115388.

It is an arithmetic number, because the mean of its divisors is an integer number (63806680).

Almost surely, 2^1129990596 is an apocalyptic number.

It is an amenable number.

1129990596 is an abundant number, since it is smaller than the sum of its proper divisors (1932730044).

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

1129990596 is a wasteful number, since it uses less digits than its factorization.

1129990596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220604 (or 220602 counting only the distinct ones).

The product of its (nonzero) digits is 393660, while the sum is 51.

The square root of 1129990596 is about 33615.3327515882. The cubic root of 1129990596 is about 1041.5775479114.

The spelling of 1129990596 in words is "one billion, one hundred twenty-nine million, nine hundred ninety thousand, five hundred ninety-six".