1126655564 has 24 divisors (see below), whose sum is σ = 2022221376. Its totient is φ = 548912000.

The previous prime is 1126655557. The next prime is 1126655581. The reversal of 1126655564 is 4655566211.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145634 + ... + 153174.

It is an arithmetic number, because the mean of its divisors is an integer number (84259224).

Almost surely, 2^1126655564 is an apocalyptic number.

It is an amenable number.

1126655564 is a deficient number, since it is larger than the sum of its proper divisors (895565812).

1126655564 is a wasteful number, since it uses less digits than its factorization.

1126655564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497 (or 8495 counting only the distinct ones).

The product of its digits is 216000, while the sum is 41.

The square root of 1126655564 is about 33565.6902804039. The cubic root of 1126655564 is about 1040.5518410081.

The spelling of 1126655564 in words is "one billion, one hundred twenty-six million, six hundred fifty-five thousand, five hundred sixty-four".