1129801296 has 40 divisors (see below), whose sum is σ = 3143166880. Its totient is φ = 347630976.

The previous prime is 1129801243. The next prime is 1129801301. The reversal of 1129801296 is 6921089211.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904666 + ... + 905913.

It is an arithmetic number, because the mean of its divisors is an integer number (78579172).

Almost surely, 2^1129801296 is an apocalyptic number.

1129801296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1129801296 is an abundant number, since it is smaller than the sum of its proper divisors (2013365584).

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

1129801296 is a wasteful number, since it uses less digits than its factorization.

1129801296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810603 (or 1810597 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 1129801296 is about 33612.5169542538. The cubic root of 1129801296 is about 1041.5193817515.

The spelling of 1129801296 in words is "one billion, one hundred twenty-nine million, eight hundred one thousand, two hundred ninety-six".