1227407541137 has 2 divisors, whose sum is σ = 1227407541138. Its totient is φ = 1227407541136.

The previous prime is 1227407541089. The next prime is 1227407541167. The reversal of 1227407541137 is 7311457047221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1213454261761 + 13953279376 = 1101569^2 + 118124^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227407541137 - 2⁸ = 1227407540881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1227407541167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613703770568 + 613703770569.

It is an arithmetic number, because the mean of its divisors is an integer number (613703770569).

Almost surely, 2^{1227407541137} is an apocalyptic number.

It is an amenable number.

1227407541137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227407541137 is an equidigital number, since it uses as much as digits as its factorization.

1227407541137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 1227407541137 in words is "one trillion, two hundred twenty-seven billion, four hundred seven million, five hundred forty-one thousand, one hundred thirty-seven".