1126642659 has 8 divisors (see below), whose sum is σ = 1502374080. Its totient is φ = 751003176.

The previous prime is 1126642651. The next prime is 1126642661. The reversal of 1126642659 is 9562466211.

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

It is not a de Polignac number, because 1126642659 - 2³ = 1126642651 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126642659.

It is not an unprimeable number, because it can be changed into a prime (1126642651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14212 + ... + 49550.

It is an arithmetic number, because the mean of its divisors is an integer number (187796760).

Almost surely, 2^1126642659 is an apocalyptic number.

1126642659 is a deficient number, since it is larger than the sum of its proper divisors (375731421).

1126642659 is a wasteful number, since it uses less digits than its factorization.

1126642659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45969.

The product of its digits is 155520, while the sum is 42.

The square root of 1126642659 is about 33565.4980448674. The cubic root of 1126642659 is about 1040.5478680776.

The spelling of 1126642659 in words is "one billion, one hundred twenty-six million, six hundred forty-two thousand, six hundred fifty-nine".