1142120242534 has 4 divisors (see below), whose sum is σ = 1713180363804. Its totient is φ = 571060121266.

The previous prime is 1142120242519. The next prime is 1142120242541. The reversal of 1142120242534 is 4352420212411.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1142120242496 and 1142120242505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285530060632 + ... + 285530060635.

It is an arithmetic number, because the mean of its divisors is an integer number (428295090951).

Almost surely, 2^{1142120242534} is an apocalyptic number.

1142120242534 is a deficient number, since it is larger than the sum of its proper divisors (571060121270).

1142120242534 is an equidigital number, since it uses as much as digits as its factorization.

1142120242534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571060121269.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1142120242534 its reverse (4352420212411), we get a palindrome (5494540454945).

The spelling of 1142120242534 in words is "one trillion, one hundred forty-two billion, one hundred twenty million, two hundred forty-two thousand, five hundred thirty-four".