1142122431340 has 48 divisors (see below), whose sum is σ = 2687214860064. Its totient is φ = 404092454400.

The previous prime is 1142122431313. The next prime is 1142122431341. The reversal of 1142122431340 is 431342212411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1142122431299 and 1142122431308.

It is not an unprimeable number, because it can be changed into a prime (1142122431341) 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, 70146801 + ... + 70163080.

It is an arithmetic number, because the mean of its divisors is an integer number (55983642918).

Almost surely, 2^{1142122431340} is an apocalyptic number.

1142122431340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142122431340 is an abundant number, since it is smaller than the sum of its proper divisors (1545092428724).

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

1142122431340 is a wasteful number, since it uses less digits than its factorization.

1142122431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140309938 (or 140309936 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1142122431340 its reverse (431342212411), we get a palindrome (1573464643751).

The spelling of 1142122431340 in words is "one trillion, one hundred forty-two billion, one hundred twenty-two million, four hundred thirty-one thousand, three hundred forty".