1129382426 has 8 divisors (see below), whose sum is σ = 1721845524. Its totient is φ = 555433920.

The previous prime is 1129382417. The next prime is 1129382491. The reversal of 1129382426 is 6242839211.

It can be written as a sum of positive squares in 2 ways, for example, as 1098591025 + 30791401 = 33145^2 + 5549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1129382426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628495 + ... + 4628738.

Almost surely, 2^1129382426 is an apocalyptic number.

1129382426 is a deficient number, since it is larger than the sum of its proper divisors (592463098).

1129382426 is an equidigital number, since it uses as much as digits as its factorization.

1129382426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257296.

The product of its digits is 41472, while the sum is 38.

The square root of 1129382426 is about 33606.2855132786. The cubic root of 1129382426 is about 1041.3906525817.

The spelling of 1129382426 in words is "one billion, one hundred twenty-nine million, three hundred eighty-two thousand, four hundred twenty-six".