1242010027 has 2 divisors, whose sum is σ = 1242010028. Its totient is φ = 1242010026.

The previous prime is 1242009991. The next prime is 1242010037. The reversal of 1242010027 is 7200102421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1242010027 - 2¹⁵ = 1241977259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1242009986 and 1242010013.

It is not a weakly prime, because it can be changed into another prime (1242010037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621005013 + 621005014.

It is an arithmetic number, because the mean of its divisors is an integer number (621005014).

Almost surely, 2^1242010027 is an apocalyptic number.

1242010027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242010027 is an equidigital number, since it uses as much as digits as its factorization.

1242010027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1242010027 is about 35242.1626322790. The cubic root of 1242010027 is about 1074.9172539879.

Adding to 1242010027 its reverse (7200102421), we get a palindrome (8442112448).

The spelling of 1242010027 in words is "one billion, two hundred forty-two million, ten thousand, twenty-seven".