1271675051 has 2 divisors, whose sum is σ = 1271675052. Its totient is φ = 1271675050.

The previous prime is 1271675017. The next prime is 1271675063. The reversal of 1271675051 is 1505761721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1271675051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1271675551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635837525 + 635837526.

It is an arithmetic number, because the mean of its divisors is an integer number (635837526).

Almost surely, 2^1271675051 is an apocalyptic number.

1271675051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271675051 is an equidigital number, since it uses as much as digits as its factorization.

1271675051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 35.

The square root of 1271675051 is about 35660.5531505051. The cubic root of 1271675051 is about 1083.4080303734.

The spelling of 1271675051 in words is "one billion, two hundred seventy-one million, six hundred seventy-five thousand, fifty-one".