1241855 has 4 divisors (see below), whose sum is σ = 1490232. Its totient is φ = 993480.

The previous prime is 1241827. The next prime is 1241869. The reversal of 1241855 is 5581421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1241855 - 2¹⁰ = 1240831 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124181 + ... + 124190.

It is an arithmetic number, because the mean of its divisors is an integer number (372558).

2^1241855 is an apocalyptic number.

1241855 is a deficient number, since it is larger than the sum of its proper divisors (248377).

1241855 is an equidigital number, since it uses as much as digits as its factorization.

1241855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248376.

The product of its digits is 1600, while the sum is 26.

The square root of 1241855 is about 1114.3854808817. The cubic root of 1241855 is about 107.4872528603.

The spelling of 1241855 in words is "one million, two hundred forty-one thousand, eight hundred fifty-five".