1241893 has 2 divisors, whose sum is σ = 1241894. Its totient is φ = 1241892.

The previous prime is 1241879. The next prime is 1241921. The reversal of 1241893 is 3981421.

It is a happy number.

It is an a-pointer prime, because the next prime (1241921) can be obtained adding 1241893 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046529 + 195364 = 1023^2 + 442^2 .

It is an emirp because it is prime and its reverse (3981421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241893 - 2⁹ = 1241381 is a prime.

It is an Ulam number.

1241893 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another 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 as a sum of consecutive naturals, namely, 620946 + 620947.

It is an arithmetic number, because the mean of its divisors is an integer number (620947).

2^1241893 is an apocalyptic number.

It is an amenable number.

1241893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241893 is an equidigital number, since it uses as much as digits as its factorization.

1241893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 1241893 is about 1114.4025305068. The cubic root of 1241893 is about 107.4883491970.

It can be divided in two parts, 12 and 41893, that added together give a triangular number (41905 = T₂₈₉).

The spelling of 1241893 in words is "one million, two hundred forty-one thousand, eight hundred ninety-three".