1142034521 has 2 divisors, whose sum is σ = 1142034522. Its totient is φ = 1142034520.

The previous prime is 1142034457. The next prime is 1142034527. The reversal of 1142034521 is 1254302411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 642064921 + 499969600 = 25339^2 + 22360^2 .

It is an emirp because it is prime and its reverse (1254302411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142034521 - 2⁶ = 1142034457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142034527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571017260 + 571017261.

It is an arithmetic number, because the mean of its divisors is an integer number (571017261).

Almost surely, 2^1142034521 is an apocalyptic number.

It is an amenable number.

1142034521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142034521 is an equidigital number, since it uses as much as digits as its factorization.

1142034521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1142034521 is about 33794.0012576197. The cubic root of 1142034521 is about 1045.2650048665.

Adding to 1142034521 its reverse (1254302411), we get a palindrome (2396336932).

The spelling of 1142034521 in words is "one billion, one hundred forty-two million, thirty-four thousand, five hundred twenty-one".