1270875887 has 2 divisors, whose sum is σ = 1270875888. Its totient is φ = 1270875886.

The previous prime is 1270875883. The next prime is 1270875901. The reversal of 1270875887 is 7885780721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1270875887 - 2² = 1270875883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270875883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635437943 + 635437944.

It is an arithmetic number, because the mean of its divisors is an integer number (635437944).

Almost surely, 2^1270875887 is an apocalyptic number.

1270875887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270875887 is an equidigital number, since it uses as much as digits as its factorization.

1270875887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1756160, while the sum is 53.

The square root of 1270875887 is about 35649.3462352397. The cubic root of 1270875887 is about 1083.1810326226.

The spelling of 1270875887 in words is "one billion, two hundred seventy million, eight hundred seventy-five thousand, eight hundred eighty-seven".