1142085941 has 2 divisors, whose sum is σ = 1142085942. Its totient is φ = 1142085940.

The previous prime is 1142085937. The next prime is 1142086013. The reversal of 1142085941 is 1495802411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129632100 + 12453841 = 33610^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142085941 - 2² = 1142085937 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142985941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571042970 + 571042971.

It is an arithmetic number, because the mean of its divisors is an integer number (571042971).

Almost surely, 2^1142085941 is an apocalyptic number.

It is an amenable number.

1142085941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142085941 is an equidigital number, since it uses as much as digits as its factorization.

1142085941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1142085941 is about 33794.7620349663. The cubic root of 1142085941 is about 1045.2806922848.

The spelling of 1142085941 in words is "one billion, one hundred forty-two million, eighty-five thousand, nine hundred forty-one".