1061845 has 4 divisors (see below), whose sum is σ = 1274220. Its totient is φ = 849472.

The previous prime is 1061831. The next prime is 1061849. The reversal of 1061845 is 5481601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5481601 = 2213 ⋅2477.

It can be written as a sum of positive squares in 2 ways, for example, as 552049 + 509796 = 743^2 + 714^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061845 - 2⁷ = 1061717 is a prime.

It is a super-2 number, since 2×1061845² = 2255029608050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106180 + ... + 106189.

It is an arithmetic number, because the mean of its divisors is an integer number (318555).

2^1061845 is an apocalyptic number.

It is an amenable number.

1061845 is a deficient number, since it is larger than the sum of its proper divisors (212375).

1061845 is an equidigital number, since it uses as much as digits as its factorization.

1061845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212374.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1061845 is about 1030.4586357540. The cubic root of 1061845 is about 102.0204047350.

The spelling of 1061845 in words is "one million, sixty-one thousand, eight hundred forty-five".