1267054153873 has 2 divisors, whose sum is σ = 1267054153874. Its totient is φ = 1267054153872.

The previous prime is 1267054153867. The next prime is 1267054153969. The reversal of 1267054153873 is 3783514507621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1265753253249 + 1300900624 = 1125057^2 + 36068^2 .

It is an emirp because it is prime and its reverse (3783514507621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1267054153873 - 2³³ = 1258464219281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1267054153873.

It is not a weakly prime, because it can be changed into another prime (1267054153823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633527076936 + 633527076937.

It is an arithmetic number, because the mean of its divisors is an integer number (633527076937).

Almost surely, 2^{1267054153873} is an apocalyptic number.

It is an amenable number.

1267054153873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267054153873 is an equidigital number, since it uses as much as digits as its factorization.

1267054153873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 1267054153873 in words is "one trillion, two hundred sixty-seven billion, fifty-four million, one hundred fifty-three thousand, eight hundred seventy-three".