1126579798 has 4 divisors (see below), whose sum is σ = 1689869700. Its totient is φ = 563289898.

The previous prime is 1126579759. The next prime is 1126579823. The reversal of 1126579798 is 8979756211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8979756211 = 433 ⋅20738467.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281644948 + ... + 281644951.

It is an arithmetic number, because the mean of its divisors is an integer number (422467425).

Almost surely, 2^1126579798 is an apocalyptic number.

1126579798 is a deficient number, since it is larger than the sum of its proper divisors (563289902).

1126579798 is an equidigital number, since it uses as much as digits as its factorization.

1126579798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563289901.

The product of its digits is 1905120, while the sum is 55.

The square root of 1126579798 is about 33564.5616387284. The cubic root of 1126579798 is about 1040.5285152699.

The spelling of 1126579798 in words is "one billion, one hundred twenty-six million, five hundred seventy-nine thousand, seven hundred ninety-eight".