1142505293 has 2 divisors, whose sum is σ = 1142505294. Its totient is φ = 1142505292.

The previous prime is 1142505241. The next prime is 1142505311. The reversal of 1142505293 is 3925052411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 745180804 + 397324489 = 27298^2 + 19933^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142505293 - 2²⁰ = 1141456717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142505493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571252646 + 571252647.

It is an arithmetic number, because the mean of its divisors is an integer number (571252647).

Almost surely, 2^1142505293 is an apocalyptic number.

It is an amenable number.

1142505293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142505293 is an equidigital number, since it uses as much as digits as its factorization.

1142505293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1142505293 is about 33800.9658589810. The cubic root of 1142505293 is about 1045.4086122875.

The spelling of 1142505293 in words is "one billion, one hundred forty-two million, five hundred five thousand, two hundred ninety-three".