1242711007 has 2 divisors, whose sum is σ = 1242711008. Its totient is φ = 1242711006.

The previous prime is 1242710951. The next prime is 1242711061. The reversal of 1242711007 is 7001172421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242711007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1242711077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621355503 + 621355504.

It is an arithmetic number, because the mean of its divisors is an integer number (621355504).

Almost surely, 2^1242711007 is an apocalyptic number.

1242711007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242711007 is an equidigital number, since it uses as much as digits as its factorization.

1242711007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1242711007 is about 35252.1064193333. The cubic root of 1242711007 is about 1075.1194407039.

Adding to 1242711007 its reverse (7001172421), we get a palindrome (8243883428).

The spelling of 1242711007 in words is "one billion, two hundred forty-two million, seven hundred eleven thousand, seven".