1042122247 has 2 divisors, whose sum is σ = 1042122248. Its totient is φ = 1042122246.

The previous prime is 1042122229. The next prime is 1042122283. The reversal of 1042122247 is 7422212401.

1042122247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042122247 - 2¹¹ = 1042120199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042122217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521061123 + 521061124.

It is an arithmetic number, because the mean of its divisors is an integer number (521061124).

Almost surely, 2^1042122247 is an apocalyptic number.

1042122247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042122247 is an equidigital number, since it uses as much as digits as its factorization.

1042122247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 1042122247 is about 32281.9182670423. The cubic root of 1042122247 is about 1013.8480940755.

Adding to 1042122247 its reverse (7422212401), we get a palindrome (8464334648).

The spelling of 1042122247 in words is "one billion, forty-two million, one hundred twenty-two thousand, two hundred forty-seven".