1142123034131 has 4 divisors (see below), whose sum is σ = 1142129171064. Its totient is φ = 1142116897200.

The previous prime is 1142123034127. The next prime is 1142123034133. The reversal of 1142123034131 is 1314303212411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142123034131 - 2² = 1142123034127 is a prime.

It is a super-2 number, since 2×1142123034131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142123034131.

It is not an unprimeable number, because it can be changed into a prime (1142123034133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780285 + ... + 3164526.

It is an arithmetic number, because the mean of its divisors is an integer number (285532292766).

Almost surely, 2^{1142123034131} is an apocalyptic number.

1142123034131 is a deficient number, since it is larger than the sum of its proper divisors (6136933).

1142123034131 is an equidigital number, since it uses as much as digits as its factorization.

1142123034131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6136932.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 1142123034131 its reverse (1314303212411), we get a palindrome (2456426246542).

The spelling of 1142123034131 in words is "one trillion, one hundred forty-two billion, one hundred twenty-three million, thirty-four thousand, one hundred thirty-one".