1142124541 has 2 divisors, whose sum is σ = 1142124542. Its totient is φ = 1142124540.

The previous prime is 1142124539. The next prime is 1142124553. The reversal of 1142124541 is 1454212411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797836516 + 344288025 = 28246^2 + 18555^2 .

It is an emirp because it is prime and its reverse (1454212411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142124541 - 2¹ = 1142124539 is a prime.

Together with 1142124539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142124521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571062270 + 571062271.

It is an arithmetic number, because the mean of its divisors is an integer number (571062271).

Almost surely, 2^1142124541 is an apocalyptic number.

It is an amenable number.

1142124541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142124541 is an equidigital number, since it uses as much as digits as its factorization.

1142124541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 1142124541 is about 33795.3331245603. Note that the first 3 decimals coincide. The cubic root of 1142124541 is about 1045.2924682171.

Adding to 1142124541 its reverse (1454212411), we get a palindrome (2596336952).

The spelling of 1142124541 in words is "one billion, one hundred forty-two million, one hundred twenty-four thousand, five hundred forty-one".