1223625228127 has 2 divisors, whose sum is σ = 1223625228128. Its totient is φ = 1223625228126.

The previous prime is 1223625228061. The next prime is 1223625228157. The reversal of 1223625228127 is 7218225263221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223625228127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223625228157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611812614063 + 611812614064.

It is an arithmetic number, because the mean of its divisors is an integer number (611812614064).

Almost surely, 2^{1223625228127} is an apocalyptic number.

1223625228127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223625228127 is an equidigital number, since it uses as much as digits as its factorization.

1223625228127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The spelling of 1223625228127 in words is "one trillion, two hundred twenty-three billion, six hundred twenty-five million, two hundred twenty-eight thousand, one hundred twenty-seven".