1142054113 has 4 divisors (see below), whose sum is σ = 1147851540. Its totient is φ = 1136256688.

The previous prime is 1142054087. The next prime is 1142054119. The reversal of 1142054113 is 3114502411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 619611664 + 522442449 = 24892^2 + 22857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142054113 - 2²⁵ = 1108499681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142054119) 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, 2898418 + ... + 2898811.

It is an arithmetic number, because the mean of its divisors is an integer number (286962885).

Almost surely, 2^1142054113 is an apocalyptic number.

It is an amenable number.

1142054113 is a deficient number, since it is larger than the sum of its proper divisors (5797427).

1142054113 is an equidigital number, since it uses as much as digits as its factorization.

1142054113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797426.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1142054113 is about 33794.2911303078. The cubic root of 1142054113 is about 1045.2709821274.

Adding to 1142054113 its reverse (3114502411), we get a palindrome (4256556524).

The spelling of 1142054113 in words is "one billion, one hundred forty-two million, fifty-four thousand, one hundred thirteen".