1045169 has 4 divisors (see below), whose sum is σ = 1047396. Its totient is φ = 1042944.

The previous prime is 1045157. The next prime is 1045183. The reversal of 1045169 is 9615401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9615401 = 47 ⋅204583.

It can be written as a sum of positive squares in 2 ways, for example, as 211600 + 833569 = 460^2 + 913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045169 - 2⁴ = 1045153 is a prime.

It is a super-2 number, since 2×1045169² = 2184756477122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045129) 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 3 ways as a sum of consecutive naturals, for example, 104 + ... + 1449.

It is an arithmetic number, because the mean of its divisors is an integer number (261849).

2^1045169 is an apocalyptic number.

It is an amenable number.

1045169 is a deficient number, since it is larger than the sum of its proper divisors (2227).

1045169 is an equidigital number, since it uses as much as digits as its factorization.

1045169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1045169 is about 1022.3350722733. The cubic root of 1045169 is about 101.4835162956.

The spelling of 1045169 in words is "one million, forty-five thousand, one hundred sixty-nine".