1225126627 has 2 divisors, whose sum is σ = 1225126628. Its totient is φ = 1225126626.

The previous prime is 1225126621. The next prime is 1225126687. The reversal of 1225126627 is 7266215221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7266215221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225126627 - 2³ = 1225126619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225126592 and 1225126601.

It is not a weakly prime, because it can be changed into another prime (1225126621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612563313 + 612563314.

It is an arithmetic number, because the mean of its divisors is an integer number (612563314).

Almost surely, 2^1225126627 is an apocalyptic number.

1225126627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225126627 is an equidigital number, since it uses as much as digits as its factorization.

1225126627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 1225126627 is about 35001.8089103978. The cubic root of 1225126627 is about 1070.0243471328.

The spelling of 1225126627 in words is "one billion, two hundred twenty-five million, one hundred twenty-six thousand, six hundred twenty-seven".