1111134042 has 48 divisors (see below), whose sum is σ = 2554493760. Its totient is φ = 347849856.

The previous prime is 1111134019. The next prime is 1111134047. The reversal of 1111134042 is 2404311111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1111134047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150309 + ... + 157527.

It is an arithmetic number, because the mean of its divisors is an integer number (53218620).

Almost surely, 2^1111134042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111134042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1277246880).

1111134042 is an abundant number, since it is smaller than the sum of its proper divisors (1443359718).

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

1111134042 is a wasteful number, since it uses less digits than its factorization.

1111134042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7747 (or 7744 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1111134042 is about 33333.6772948920. The cubic root of 1111134042 is about 1035.7512937626.

Adding to 1111134042 its reverse (2404311111), we get a palindrome (3515445153).

The spelling of 1111134042 in words is "one billion, one hundred eleven million, one hundred thirty-four thousand, forty-two".