1267545270203 has 2 divisors, whose sum is σ = 1267545270204. Its totient is φ = 1267545270202.

The previous prime is 1267545270151. The next prime is 1267545270239. The reversal of 1267545270203 is 3020725457621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1267545270203 is a prime.

It is a super-2 number, since 2×1267545270203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1267545270703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633772635101 + 633772635102.

It is an arithmetic number, because the mean of its divisors is an integer number (633772635102).

Almost surely, 2^{1267545270203} is an apocalyptic number.

1267545270203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1267545270203 is an equidigital number, since it uses as much as digits as its factorization.

1267545270203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 1267545270203 in words is "one trillion, two hundred sixty-seven billion, five hundred forty-five million, two hundred seventy thousand, two hundred three".