1126601643 has 8 divisors (see below), whose sum is σ = 1502668800. Its totient is φ = 750801128.

The previous prime is 1126601629. The next prime is 1126601647. The reversal of 1126601643 is 3461066211.

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

It is a cyclic number.

It is not a de Polignac number, because 1126601643 - 2¹⁷ = 1126470571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126601643.

It is not an unprimeable number, because it can be changed into a prime (1126601647) 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, 56583 + ... + 73856.

It is an arithmetic number, because the mean of its divisors is an integer number (187833600).

Almost surely, 2^1126601643 is an apocalyptic number.

1126601643 is a deficient number, since it is larger than the sum of its proper divisors (376067157).

1126601643 is a wasteful number, since it uses less digits than its factorization.

1126601643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133321.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1126601643 is about 33564.8870547779. The cubic root of 1126601643 is about 1040.5352406993.

Adding to 1126601643 its reverse (3461066211), we get a palindrome (4587667854).

The spelling of 1126601643 in words is "one billion, one hundred twenty-six million, six hundred one thousand, six hundred forty-three".