1942307 has 2 divisors, whose sum is σ = 1942308. Its totient is φ = 1942306.

The previous prime is 1942273. The next prime is 1942309. The reversal of 1942307 is 7032491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942307 is a prime.

Together with 1942309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1942309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971153 + 971154.

It is an arithmetic number, because the mean of its divisors is an integer number (971154).

2^1942307 is an apocalyptic number.

1942307 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942307 is an equidigital number, since it uses as much as digits as its factorization.

1942307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1942307 is about 1393.6667463924. Note that the first 3 decimals coincide. The cubic root of 1942307 is about 124.7687885940.

Adding to 1942307 its reverse (7032491), we get a palindrome (8974798).

The spelling of 1942307 in words is "one million, nine hundred forty-two thousand, three hundred seven".