1428148171 has 2 divisors, whose sum is σ = 1428148172. Its totient is φ = 1428148170.

The previous prime is 1428148109. The next prime is 1428148187. The reversal of 1428148171 is 1718418241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1428148171 - 2¹¹ = 1428146123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1428148171.

It is not a weakly prime, because it can be changed into another prime (1428148871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714074085 + 714074086.

It is an arithmetic number, because the mean of its divisors is an integer number (714074086).

Almost surely, 2^1428148171 is an apocalyptic number.

1428148171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428148171 is an equidigital number, since it uses as much as digits as its factorization.

1428148171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 37.

The square root of 1428148171 is about 37790.8477147576. The cubic root of 1428148171 is about 1126.1366411036.

The spelling of 1428148171 in words is "one billion, four hundred twenty-eight million, one hundred forty-eight thousand, one hundred seventy-one".