1225313027 has 2 divisors, whose sum is σ = 1225313028. Its totient is φ = 1225313026.

The previous prime is 1225312997. The next prime is 1225313041. The reversal of 1225313027 is 7203135221.

It is a strong prime.

It is an emirp because it is prime and its reverse (7203135221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225313027 - 2⁸ = 1225312771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225312987 and 1225313005.

It is not a weakly prime, because it can be changed into another prime (1225313057) 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, 612656513 + 612656514.

It is an arithmetic number, because the mean of its divisors is an integer number (612656514).

Almost surely, 2^1225313027 is an apocalyptic number.

1225313027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225313027 is an equidigital number, since it uses as much as digits as its factorization.

1225313027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1225313027 is about 35004.4715286490. The cubic root of 1225313027 is about 1070.0786115709.

Adding to 1225313027 its reverse (7203135221), we get a palindrome (8428448248).

The spelling of 1225313027 in words is "one billion, two hundred twenty-five million, three hundred thirteen thousand, twenty-seven".