1111941842 has 12 divisors (see below), whose sum is σ = 1833325998. Its totient is φ = 505428000.

The previous prime is 1111941841. The next prime is 1111941847. The reversal of 1111941842 is 2481491111.

It can be written as a sum of positive squares in only one way, i.e., 995970481 + 115971361 = 31559^2 + 10769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111941799 and 1111941808.

It is not an unprimeable number, because it can be changed into a prime (1111941841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2297159 + ... + 2297642.

Almost surely, 2^1111941842 is an apocalyptic number.

1111941842 is a deficient number, since it is larger than the sum of its proper divisors (721384156).

1111941842 is a wasteful number, since it uses less digits than its factorization.

1111941842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594825 (or 4594814 counting only the distinct ones).

The product of its digits is 2304, while the sum is 32.

The square root of 1111941842 is about 33345.7919684028. The cubic root of 1111941842 is about 1036.0022317498.

The spelling of 1111941842 in words is "one billion, one hundred eleven million, nine hundred forty-one thousand, eight hundred forty-two".