1845126 has 32 divisors (see below), whose sum is σ = 4193280. Its totient is φ = 601128.

The previous prime is 1845119. The next prime is 1845133. The reversal of 1845126 is 6215481.

It is an interprime number because it is at equal distance from previous prime (1845119) and next prime (1845133).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1845126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2175 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

2^1845126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1845126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2096640).

1845126 is an abundant number, since it is smaller than the sum of its proper divisors (2348154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1845126 is a wasteful number, since it uses less digits than its factorization.

1845126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 779 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1845126 is about 1358.3541511697. The cubic root of 1845126 is about 122.6522001029.

The spelling of 1845126 in words is "one million, eight hundred forty-five thousand, one hundred twenty-six".