1242260027 has 2 divisors, whose sum is σ = 1242260028. Its totient is φ = 1242260026.

The previous prime is 1242260011. The next prime is 1242260051. The reversal of 1242260027 is 7200622421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1242260027 - 2⁴ = 1242260011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242259978 and 1242260005.

It is not a weakly prime, because it can be changed into another prime (1242260077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621130013 + 621130014.

It is an arithmetic number, because the mean of its divisors is an integer number (621130014).

Almost surely, 2^1242260027 is an apocalyptic number.

1242260027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242260027 is an equidigital number, since it uses as much as digits as its factorization.

1242260027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1242260027 is about 35245.7093417057. The cubic root of 1242260027 is about 1074.9893713029.

Adding to 1242260027 its reverse (7200622421), we get a palindrome (8442882448).

The spelling of 1242260027 in words is "one billion, two hundred forty-two million, two hundred sixty thousand, twenty-seven".