1012165 has 24 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 628320.

The previous prime is 1012159. The next prime is 1012171. The reversal of 1012165 is 5612101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1012159) and next prime (1012171).

It is not a de Polignac number, because 1012165 - 2⁵ = 1012133 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4116 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1012165 is an apocalyptic number.

It is an amenable number.

1012165 is a deficient number, since it is larger than the sum of its proper divisors (519995).

1012165 is a wasteful number, since it uses less digits than its factorization.

1012165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1012165 is about 1006.0641132652. The cubic root of 1012165 is about 100.4038667209.

Adding to 1012165 its reverse (5612101), we get a palindrome (6624266).

The spelling of 1012165 in words is "one million, twelve thousand, one hundred sixty-five".