1078123171 has 2 divisors, whose sum is σ = 1078123172. Its totient is φ = 1078123170.

The previous prime is 1078123147. The next prime is 1078123199. The reversal of 1078123171 is 1713218701.

It is a weak prime.

It is an emirp because it is prime and its reverse (1713218701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1078123171 - 2⁵ = 1078123139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078123771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539061585 + 539061586.

It is an arithmetic number, because the mean of its divisors is an integer number (539061586).

Almost surely, 2^1078123171 is an apocalyptic number.

1078123171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078123171 is an equidigital number, since it uses as much as digits as its factorization.

1078123171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 31.

The square root of 1078123171 is about 32834.7859898614. The cubic root of 1078123171 is about 1025.3909025788.

The spelling of 1078123171 in words is "one billion, seventy-eight million, one hundred twenty-three thousand, one hundred seventy-one".