271021087 has 2 divisors, whose sum is σ = 271021088. Its totient is φ = 271021086.

The previous prime is 271021067. The next prime is 271021117. The reversal of 271021087 is 780120172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 271021087 - 2¹¹ = 271019039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271021027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135510543 + 135510544.

It is an arithmetic number, because the mean of its divisors is an integer number (135510544).

Almost surely, 2^271021087 is an apocalyptic number.

271021087 is a deficient number, since it is larger than the sum of its proper divisors (1).

271021087 is an equidigital number, since it uses as much as digits as its factorization.

271021087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 271021087 is about 16462.7180927087. The cubic root of 271021087 is about 647.1441469774.

The spelling of 271021087 in words is "two hundred seventy-one million, twenty-one thousand, eighty-seven".