841245 has 16 divisors (see below), whose sum is σ = 1425600. Its totient is φ = 422144.

The previous prime is 841241. The next prime is 841259. The reversal of 841245 is 542148.

It is not a de Polignac number, because 841245 - 2² = 841241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1395 + ... + 1904.

It is an arithmetic number, because the mean of its divisors is an integer number (89100).

2⁸⁴¹²⁴⁵ is an apocalyptic number.

841245 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

841245 is a deficient number, since it is larger than the sum of its proper divisors (584355).

841245 is a wasteful number, since it uses less digits than its factorization.

841245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3324.

The product of its digits is 1280, while the sum is 24.

The square root of 841245 is about 917.1940906918. The cubic root of 841245 is about 94.4004719047.

The spelling of 841245 in words is "eight hundred forty-one thousand, two hundred forty-five".