1126128618 has 12 divisors (see below), whose sum is σ = 2439945378. Its totient is φ = 375376200.

The previous prime is 1126128611. The next prime is 1126128623. The reversal of 1126128618 is 8168216211.

1126128618 is a `hidden beast` number, since 1 + 1 + 26 + 12 + 8 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 615684969 + 510443649 = 24813^2 + 22593^2 .

It is not an unprimeable number, because it can be changed into a prime (1126128611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31281333 + ... + 31281368.

Almost surely, 2^1126128618 is an apocalyptic number.

1126128618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1126128618 is an abundant number, since it is smaller than the sum of its proper divisors (1313816760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1126128618 is a wasteful number, since it uses less digits than its factorization.

1126128618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62562709 (or 62562706 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 1126128618 is about 33557.8398887652. The cubic root of 1126128618 is about 1040.3895908481.

The spelling of 1126128618 in words is "one billion, one hundred twenty-six million, one hundred twenty-eight thousand, six hundred eighteen".