112612143 has 24 divisors (see below), whose sum is σ = 175125888. Its totient is φ = 64179696.

The previous prime is 112612109. The next prime is 112612169. The reversal of 112612143 is 341216211.

It is not a de Polignac number, because 112612143 - 2¹² = 112608047 is a prime.

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 (112612543) 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, 73180 + ... + 74702.

It is an arithmetic number, because the mean of its divisors is an integer number (7296912).

Almost surely, 2^112612143 is an apocalyptic number.

112612143 is a deficient number, since it is larger than the sum of its proper divisors (62513745).

112612143 is a wasteful number, since it uses less digits than its factorization.

112612143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2036 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 112612143 is about 10611.8868727479. The cubic root of 112612143 is about 482.9050432947.

Adding to 112612143 its reverse (341216211), we get a palindrome (453828354).

The spelling of 112612143 in words is "one hundred twelve million, six hundred twelve thousand, one hundred forty-three".