1948171 has 2 divisors, whose sum is σ = 1948172. Its totient is φ = 1948170.

The previous prime is 1948147. The next prime is 1948181. The reversal of 1948171 is 1718491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1948171 - 2⁵ = 1948139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1948181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974085 + 974086.

It is an arithmetic number, because the mean of its divisors is an integer number (974086).

2^1948171 is an apocalyptic number.

1948171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948171 is an equidigital number, since it uses as much as digits as its factorization.

1948171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 31.

The square root of 1948171 is about 1395.7689636899. The cubic root of 1948171 is about 124.8942251854.

The spelling of 1948171 in words is "one million, nine hundred forty-eight thousand, one hundred seventy-one".