1242200227 has 2 divisors, whose sum is σ = 1242200228. Its totient is φ = 1242200226.

The previous prime is 1242200209. The next prime is 1242200233. The reversal of 1242200227 is 7220022421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242200227 is a prime.

It is a super-2 number, since 2×1242200227² = 3086122807917703058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1242200198 and 1242200207.

It is not a weakly prime, because it can be changed into another prime (1242200627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621100113 + 621100114.

It is an arithmetic number, because the mean of its divisors is an integer number (621100114).

Almost surely, 2^1242200227 is an apocalyptic number.

1242200227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242200227 is an equidigital number, since it uses as much as digits as its factorization.

1242200227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1242200227 is about 35244.8610012864. The cubic root of 1242200227 is about 1074.9721217216.

Adding to 1242200227 its reverse (7220022421), we get a palindrome (8462222648).

The spelling of 1242200227 in words is "one billion, two hundred forty-two million, two hundred thousand, two hundred twenty-seven".