112001142 has 32 divisors (see below), whose sum is σ = 244742400. Its totient is φ = 33887520.

The previous prime is 112001129. The next prime is 112001159. The reversal of 112001142 is 241100211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79359 + ... + 80757.

It is an arithmetic number, because the mean of its divisors is an integer number (7648200).

Almost surely, 2^112001142 is an apocalyptic number.

112001142 is an abundant number, since it is smaller than the sum of its proper divisors (132741258).

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

112001142 is a wasteful number, since it uses less digits than its factorization.

112001142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 112001142 is about 10583.0591985493. The cubic root of 112001142 is about 482.0300911524.

Adding to 112001142 its reverse (241100211), we get a palindrome (353101353).

The spelling of 112001142 in words is "one hundred twelve million, one thousand, one hundred forty-two".