1042772387 has 2 divisors, whose sum is σ = 1042772388. Its totient is φ = 1042772386.

The previous prime is 1042772377. The next prime is 1042772411. The reversal of 1042772387 is 7832772401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042772387 - 2¹⁰ = 1042771363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042772347) 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, 521386193 + 521386194.

It is an arithmetic number, because the mean of its divisors is an integer number (521386194).

Almost surely, 2^1042772387 is an apocalyptic number.

1042772387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042772387 is an equidigital number, since it uses as much as digits as its factorization.

1042772387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 41.

The square root of 1042772387 is about 32291.9864207825. The cubic root of 1042772387 is about 1014.0588838614.

The spelling of 1042772387 in words is "one billion, forty-two million, seven hundred seventy-two thousand, three hundred eighty-seven".