1142300112 has 40 divisors (see below), whose sum is σ = 3030701856. Its totient is φ = 370475136.

The previous prime is 1142300101. The next prime is 1142300113. The reversal of 1142300112 is 2110032411.

It is a junction number, because it is equal to n+sod(n) for n = 1142300091 and 1142300100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142300113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319818 + ... + 323369.

Almost surely, 2^1142300112 is an apocalyptic number.

1142300112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142300112 is an abundant number, since it is smaller than the sum of its proper divisors (1888401744).

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

1142300112 is a wasteful number, since it uses less digits than its factorization.

1142300112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643235 (or 643229 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1142300112 is about 33797.9305875375. The cubic root of 1142300112 is about 1045.3460273619.

Adding to 1142300112 its reverse (2110032411), we get a palindrome (3252332523).

The spelling of 1142300112 in words is "one billion, one hundred forty-two million, three hundred thousand, one hundred twelve".