1142664737 has 2 divisors, whose sum is σ = 1142664738. Its totient is φ = 1142664736.

The previous prime is 1142664703. The next prime is 1142664773. The reversal of 1142664737 is 7374662411.

Together with next prime (1142664773) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 573889936 + 568774801 = 23956^2 + 23849^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142664737 - 2¹⁸ = 1142402593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142664694 and 1142664703.

It is not a weakly prime, because it can be changed into another prime (1142664037) 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, 571332368 + 571332369.

It is an arithmetic number, because the mean of its divisors is an integer number (571332369).

Almost surely, 2^1142664737 is an apocalyptic number.

It is an amenable number.

1142664737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142664737 is an equidigital number, since it uses as much as digits as its factorization.

1142664737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 1142664737 is about 33803.3243483537. The cubic root of 1142664737 is about 1045.4572412022.

The spelling of 1142664737 in words is "one billion, one hundred forty-two million, six hundred sixty-four thousand, seven hundred thirty-seven".