1942280971 has 2 divisors, whose sum is σ = 1942280972. Its totient is φ = 1942280970.

The previous prime is 1942280959. The next prime is 1942280993. The reversal of 1942280971 is 1790822491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942280971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1942280911) 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, 971140485 + 971140486.

It is an arithmetic number, because the mean of its divisors is an integer number (971140486).

Almost surely, 2^1942280971 is an apocalyptic number.

1942280971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942280971 is an equidigital number, since it uses as much as digits as its factorization.

1942280971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1942280971 is about 44071.3168739034. The cubic root of 1942280971 is about 1247.6823124622.

The spelling of 1942280971 in words is "one billion, nine hundred forty-two million, two hundred eighty thousand, nine hundred seventy-one".