1241685 has 24 divisors (see below), whose sum is σ = 2208024. Its totient is φ = 645120.

The previous prime is 1241677. The next prime is 1241699. The reversal of 1241685 is 5861421.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 1238769 = 54^2 + 1113^2 .

It is not a de Polignac number, because 1241685 - 2³ = 1241677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1509 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (92001).

2^1241685 is an apocalyptic number.

1241685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241685 is a deficient number, since it is larger than the sum of its proper divisors (966339).

1241685 is a wasteful number, since it uses less digits than its factorization.

1241685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 722 counting only the distinct ones).

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

The square root of 1241685 is about 1114.3092030491. The cubic root of 1241685 is about 107.4823479219.

The spelling of 1241685 in words is "one million, two hundred forty-one thousand, six hundred eighty-five".