1026165 has 32 divisors (see below), whose sum is σ = 1946880. Its totient is φ = 451584.

The previous prime is 1026143. The next prime is 1026167. The reversal of 1026165 is 5616201.

It is a happy number.

It is not a de Polignac number, because 1026165 - 2⁶ = 1026101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a nialpdrome in base 16.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2877 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (60840).

2^1026165 is an apocalyptic number.

1026165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1026165 is a deficient number, since it is larger than the sum of its proper divisors (920715).

1026165 is a wasteful number, since it uses less digits than its factorization.

1026165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1026165 is about 1012.9980256644. The cubic root of 1026165 is about 100.8646685998.

The spelling of 1026165 in words is "one million, twenty-six thousand, one hundred sixty-five".