1227625358461 has 2 divisors, whose sum is σ = 1227625358462. Its totient is φ = 1227625358460.

The previous prime is 1227625358431. The next prime is 1227625358537. The reversal of 1227625358461 is 1648535267221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 867541353561 + 360084004900 = 931419^2 + 600070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227625358461 - 2¹¹ = 1227625356413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1227625358399 and 1227625358408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227625358431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613812679230 + 613812679231.

It is an arithmetic number, because the mean of its divisors is an integer number (613812679231).

Almost surely, 2^{1227625358461} is an apocalyptic number.

It is an amenable number.

1227625358461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227625358461 is an equidigital number, since it uses as much as digits as its factorization.

1227625358461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 52.

The spelling of 1227625358461 in words is "one trillion, two hundred twenty-seven billion, six hundred twenty-five million, three hundred fifty-eight thousand, four hundred sixty-one".