1112023542 has 96 divisors (see below), whose sum is σ = 2642976000. Its totient is φ = 310951872.

The previous prime is 1112023541. The next prime is 1112023543. The reversal of 1112023542 is 2453202111.

It is an interprime number because it is at equal distance from previous prime (1112023541) and next prime (1112023543).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112023541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4855884 + ... + 4856112.

It is an arithmetic number, because the mean of its divisors is an integer number (27531000).

Almost surely, 2^1112023542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112023542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321488000).

1112023542 is an abundant number, since it is smaller than the sum of its proper divisors (1530952458).

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

1112023542 is a wasteful number, since it uses less digits than its factorization.

1112023542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1112023542 is about 33347.0169880306. The cubic root of 1112023542 is about 1036.0276045725.

Adding to 1112023542 its reverse (2453202111), we get a palindrome (3565225653).

The spelling of 1112023542 in words is "one billion, one hundred twelve million, twenty-three thousand, five hundred forty-two".