1126764563 has 8 divisors (see below), whose sum is σ = 1145164800. Its totient is φ = 1108444608.

The previous prime is 1126764557. The next prime is 1126764571. The reversal of 1126764563 is 3654676211.

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

It is not a de Polignac number, because 1126764563 - 2⁸ = 1126764307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126764563.

It is not an unprimeable number, because it can be changed into a prime (1126764263) 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, 8558 + ... + 48236.

It is an arithmetic number, because the mean of its divisors is an integer number (143145600).

Almost surely, 2^1126764563 is an apocalyptic number.

1126764563 is a deficient number, since it is larger than the sum of its proper divisors (18400237).

1126764563 is an equidigital number, since it uses as much as digits as its factorization.

1126764563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40141.

The product of its digits is 181440, while the sum is 41.

The square root of 1126764563 is about 33567.3139080267. The cubic root of 1126764563 is about 1040.5853962064.

The spelling of 1126764563 in words is "one billion, one hundred twenty-six million, seven hundred sixty-four thousand, five hundred sixty-three".