1241816 has 32 divisors (see below), whose sum is σ = 2579040. Its totient is φ = 557568.

The previous prime is 1241813. The next prime is 1241819. The reversal of 1241816 is 6181421.

It is an interprime number because it is at equal distance from previous prime (1241813) and next prime (1241819).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1241791 and 1241800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241813) 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 7 ways as a sum of consecutive naturals, for example, 2930 + ... + 3326.

It is an arithmetic number, because the mean of its divisors is an integer number (80595).

2^1241816 is an apocalyptic number.

It is an amenable number.

1241816 is an abundant number, since it is smaller than the sum of its proper divisors (1337224).

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

1241816 is a wasteful number, since it uses less digits than its factorization.

1241816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 439 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1241816 is about 1114.3679823110. The cubic root of 1241816 is about 107.4861276493.

The spelling of 1241816 in words is "one million, two hundred forty-one thousand, eight hundred sixteen".