1122668136 has 24 divisors (see below), whose sum is σ = 3040559730. Its totient is φ = 374222688.

The previous prime is 1122668119. The next prime is 1122668137. The reversal of 1122668136 is 6318662211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 900360036 + 222308100 = 30006^2 + 14910^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1122668136.

It is not an unprimeable number, because it can be changed into a prime (1122668137) 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, 7796235 + ... + 7796378.

Almost surely, 2^1122668136 is an apocalyptic number.

It is an amenable number.

1122668136 is an abundant number, since it is smaller than the sum of its proper divisors (1917891594).

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

1122668136 is a wasteful number, since it uses less digits than its factorization.

1122668136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15592625 (or 15592618 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1122668136 is about 33506.2402546153. The cubic root of 1122668136 is about 1039.3228259334.

The spelling of 1122668136 in words is "one billion, one hundred twenty-two million, six hundred sixty-eight thousand, one hundred thirty-six".