1065217170 has 32 divisors (see below), whose sum is σ = 2667676032. Its totient is φ = 271707392.

The previous prime is 1065217169. The next prime is 1065217171. The reversal of 1065217170 is 717125601.

It is an interprime number because it is at equal distance from previous prime (1065217169) and next prime (1065217171).

It is a super-2 number, since 2×1065217170² = 2269375238525617800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1065217171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 771207 + ... + 772586.

It is an arithmetic number, because the mean of its divisors is an integer number (83364876).

Almost surely, 2^1065217170 is an apocalyptic number.

1065217170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1065217170 is an abundant number, since it is smaller than the sum of its proper divisors (1602458862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1065217170 is a wasteful number, since it uses less digits than its factorization.

1065217170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543826.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 1065217170 is about 32637.6648980898. The cubic root of 1065217170 is about 1021.2828821548.

The spelling of 1065217170 in words is "one billion, sixty-five million, two hundred seventeen thousand, one hundred seventy".