1912741 has 2 divisors, whose sum is σ = 1912742. Its totient is φ = 1912740.

The previous prime is 1912739. The next prime is 1912763. The reversal of 1912741 is 1472191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 656100 = 1121^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1912741 - 2¹ = 1912739 is a prime.

Together with 1912739, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956370 + 956371.

It is an arithmetic number, because the mean of its divisors is an integer number (956371).

2^1912741 is an apocalyptic number.

It is an amenable number.

1912741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912741 is an equidigital number, since it uses as much as digits as its factorization.

1912741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 25.

The square root of 1912741 is about 1383.0187995830. The cubic root of 1912741 is about 124.1324676972.

The spelling of 1912741 in words is "one million, nine hundred twelve thousand, seven hundred forty-one".