1142031073 has 2 divisors, whose sum is σ = 1142031074. Its totient is φ = 1142031072.

The previous prime is 1142031061. The next prime is 1142031131. The reversal of 1142031073 is 3701302411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1032786769 + 109244304 = 32137^2 + 10452^2 .

It is an emirp because it is prime and its reverse (3701302411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142031073 - 2²⁹ = 605160161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142031173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571015536 + 571015537.

It is an arithmetic number, because the mean of its divisors is an integer number (571015537).

Almost surely, 2^1142031073 is an apocalyptic number.

It is an amenable number.

1142031073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142031073 is an equidigital number, since it uses as much as digits as its factorization.

1142031073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1142031073 is about 33793.9502426100. The cubic root of 1142031073 is about 1045.2639529201.

Adding to 1142031073 its reverse (3701302411), we get a palindrome (4843333484).

The spelling of 1142031073 in words is "one billion, one hundred forty-two million, thirty-one thousand, seventy-three".