1246841 has 2 divisors, whose sum is σ = 1246842. Its totient is φ = 1246840.

The previous prime is 1246829. The next prime is 1246867. The reversal of 1246841 is 1486421.

It is an a-pointer prime, because the next prime (1246867) can be obtained adding 1246841 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 640000 + 606841 = 800^2 + 779^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246841 - 2¹⁰ = 1245817 is a prime.

It is a super-2 number, since 2×1246841² = 3109224958562, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1246841.

It is not a weakly prime, because it can be changed into another prime (1246891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623420 + 623421.

It is an arithmetic number, because the mean of its divisors is an integer number (623421).

2^1246841 is an apocalyptic number.

It is an amenable number.

1246841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246841 is an equidigital number, since it uses as much as digits as its factorization.

1246841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 1246841 is about 1116.6203472980. The cubic root of 1246841 is about 107.6309131615.

The spelling of 1246841 in words is "one million, two hundred forty-six thousand, eight hundred forty-one".