1113422142 has 64 divisors (see below), whose sum is σ = 2623546368. Its totient is φ = 308448000.

The previous prime is 1113422131. The next prime is 1113422159. The reversal of 1113422142 is 2412243111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178842 + ... + 184962.

It is an arithmetic number, because the mean of its divisors is an integer number (40992912).

Almost surely, 2^1113422142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113422142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311773184).

1113422142 is an abundant number, since it is smaller than the sum of its proper divisors (1510124226).

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

1113422142 is a wasteful number, since it uses less digits than its factorization.

1113422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265.

The product of its digits is 384, while the sum is 21.

The square root of 1113422142 is about 33367.9807899729. The cubic root of 1113422142 is about 1036.4617623966.

Adding to 1113422142 its reverse (2412243111), we get a palindrome (3525665253).

The spelling of 1113422142 in words is "one billion, one hundred thirteen million, four hundred twenty-two thousand, one hundred forty-two".