1026169 has 3 divisors (see below), whose sum is σ = 1027183. Its totient is φ = 1025156.

The previous prime is 1026167. The next prime is 1026197. The reversal of 1026169 is 9616201.

The square root of 1026169 is 1013.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2025 + 1024144 = 45^2 + 1012^2 .

It is not a de Polignac number, because 1026169 - 2¹ = 1026167 is a prime.

It is a super-2 number, since 2×1026169² = 2106045633122, which contains 22 as substring.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 507 + ... + 1519.

2^1026169 is an apocalyptic number.

1026169 is the 1013-rd square number.

1026169 is the 507-th centered octagonal number.

It is an amenable number.

1026169 is a deficient number, since it is larger than the sum of its proper divisors (1014).

1026169 is an frugal number, since it uses more digits than its factorization.

1026169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 1013 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The cubic root of 1026169 is about 100.8647996567.

Multiplying 1026169 by its sum of digits (25), we get a square (25654225 = 5065²).

Multiplying 1026169 by its reverse (9616201), we get a square (9867847363969 = 3141313²).

The spelling of 1026169 in words is "one million, twenty-six thousand, one hundred sixty-nine".