1241823 has 16 divisors (see below), whose sum is σ = 1827072. Its totient is φ = 750200.

The previous prime is 1241819. The next prime is 1241827. The reversal of 1241823 is 3281421.

1241823 = 227² + 228² + ... + 248².

It is an interprime number because it is at equal distance from previous prime (1241819) and next prime (1241827).

It is not a de Polignac number, because 1241823 - 2² = 1241819 is a prime.

1241823 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3838 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (114192).

2^1241823 is an apocalyptic number.

1241823 is a deficient number, since it is larger than the sum of its proper divisors (585249).

1241823 is an equidigital number, since it uses as much as digits as its factorization.

1241823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 325 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1241823 is about 1114.3711231004. The cubic root of 1241823 is about 107.4863296119.

The spelling of 1241823 in words is "one million, two hundred forty-one thousand, eight hundred twenty-three".