1840125 has 32 divisors (see below), whose sum is σ = 3504384. Its totient is φ = 840000.

The previous prime is 1840123. The next prime is 1840171. The reversal of 1840125 is 5210481.

It is not a de Polignac number, because 1840125 - 2¹ = 1840123 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840123) 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 31 ways as a sum of consecutive naturals, for example, 2275 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (109512).

2^1840125 is an apocalyptic number.

1840125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1840125 is a deficient number, since it is larger than the sum of its proper divisors (1664259).

1840125 is an equidigital number, since it uses as much as digits as its factorization.

1840125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1840125 is about 1356.5120714538. The cubic root of 1840125 is about 122.5412883175.

The spelling of 1840125 in words is "one million, eight hundred forty thousand, one hundred twenty-five".