1020465171 has 48 divisors (see below), whose sum is σ = 1710858240. Its totient is φ = 579260160.

The previous prime is 1020465169. The next prime is 1020465191. The reversal of 1020465171 is 1715640201.

It is a happy number.

1020465171 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 4 + 651 + 7 + 1 = 666.

It is not a de Polignac number, because 1020465171 - 2¹ = 1020465169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020465101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 373950 + ... + 376668.

It is an arithmetic number, because the mean of its divisors is an integer number (35642880).

Almost surely, 2^1020465171 is an apocalyptic number.

1020465171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020465171 is a deficient number, since it is larger than the sum of its proper divisors (690393069).

1020465171 is a wasteful number, since it uses less digits than its factorization.

1020465171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2976 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1020465171 is about 31944.7205497246. The cubic root of 1020465171 is about 1006.7757097328.

The spelling of 1020465171 in words is "one billion, twenty million, four hundred sixty-five thousand, one hundred seventy-one".