1118067642 has 12 divisors (see below), whose sum is σ = 2422479930. Its totient is φ = 372689208.

The previous prime is 1118067617. The next prime is 1118067647. The reversal of 1118067642 is 2467608111.

It is a happy number.

1118067642 is a `hidden beast` number, since 1 + 1 + 1 + 8 + 0 + 6 + 7 + 642 = 666.

It can be written as a sum of positive squares in only one way, i.e., 675428121 + 442639521 = 25989^2 + 21039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1118067597 and 1118067606.

It is not an unprimeable number, because it can be changed into a prime (1118067647) 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, 31057417 + ... + 31057452.

Almost surely, 2^1118067642 is an apocalyptic number.

1118067642 is an abundant number, since it is smaller than the sum of its proper divisors (1304412288).

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

1118067642 is a wasteful number, since it uses less digits than its factorization.

1118067642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62114877 (or 62114874 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1118067642 is about 33437.5184784996. The cubic root of 1118067642 is about 1037.9012290884.

The spelling of 1118067642 in words is "one billion, one hundred eighteen million, sixty-seven thousand, six hundred forty-two".