1142426112 has 160 divisors (see below), whose sum is σ = 3275629632. Its totient is φ = 352518144.

The previous prime is 1142426099. The next prime is 1142426113. The reversal of 1142426112 is 2116242411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (1142426113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1749178 + ... + 1749830.

Almost surely, 2^1142426112 is an apocalyptic number.

1142426112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142426112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637814816).

1142426112 is an abundant number, since it is smaller than the sum of its proper divisors (2133203520).

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

1142426112 is an equidigital number, since it uses as much as digits as its factorization.

1142426112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 742 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 1142426112 is about 33799.7945555886. The cubic root of 1142426112 is about 1045.3844611487.

Adding to 1142426112 its reverse (2116242411), we get a palindrome (3258668523).

The spelling of 1142426112 in words is "one billion, one hundred forty-two million, four hundred twenty-six thousand, one hundred twelve".