1072861171 has 2 divisors, whose sum is σ = 1072861172. Its totient is φ = 1072861170.

The previous prime is 1072861157. The next prime is 1072861187. The reversal of 1072861171 is 1711682701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1072861171 - 2¹⁵ = 1072828403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1072861871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536430585 + 536430586.

It is an arithmetic number, because the mean of its divisors is an integer number (536430586).

Almost surely, 2^1072861171 is an apocalyptic number.

1072861171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072861171 is an equidigital number, since it uses as much as digits as its factorization.

1072861171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 34.

The square root of 1072861171 is about 32754.5595451992. The cubic root of 1072861171 is about 1023.7199713796.

The spelling of 1072861171 in words is "one billion, seventy-two million, eight hundred sixty-one thousand, one hundred seventy-one".