1111205042 has 16 divisors (see below), whose sum is σ = 1720922112. Its totient is φ = 537778080.

The previous prime is 1111205033. The next prime is 1111205077. The reversal of 1111205042 is 2405021111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111205042.

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, 42938 + ... + 63765.

It is an arithmetic number, because the mean of its divisors is an integer number (107557632).

Almost surely, 2^1111205042 is an apocalyptic number.

1111205042 is a deficient number, since it is larger than the sum of its proper divisors (609717070).

1111205042 is a wasteful number, since it uses less digits than its factorization.

1111205042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106873.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1111205042 is about 33334.7422668903. The cubic root of 1111205042 is about 1035.7733543400.

Adding to 1111205042 its reverse (2405021111), we get a palindrome (3516226153).

The spelling of 1111205042 in words is "one billion, one hundred eleven million, two hundred five thousand, forty-two".