1142773747 has 2 divisors, whose sum is σ = 1142773748. Its totient is φ = 1142773746.

The previous prime is 1142773741. The next prime is 1142773787. The reversal of 1142773747 is 7473772411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142773747 - 2²⁷ = 1008556019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142773741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571386873 + 571386874.

It is an arithmetic number, because the mean of its divisors is an integer number (571386874).

Almost surely, 2^1142773747 is an apocalyptic number.

1142773747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142773747 is an equidigital number, since it uses as much as digits as its factorization.

1142773747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230496, while the sum is 43.

The square root of 1142773747 is about 33804.9367252773. The cubic root of 1142773747 is about 1045.4904856195.

The spelling of 1142773747 in words is "one billion, one hundred forty-two million, seven hundred seventy-three thousand, seven hundred forty-seven".