1240741 has 2 divisors, whose sum is σ = 1240742. Its totient is φ = 1240740.
The previous prime is 1240739. The next prime is 1240751. The reversal of 1240741 is 1470421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 910116 + 330625 = 954^2 + 575^2 .
It is a cyclic number.
It is not a de Polignac number, because 1240741 - 21 = 1240739 is a prime.
Together with 1240739, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1240751) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620370 + 620371.
It is an arithmetic number, because the mean of its divisors is an integer number (620371).
21240741 is an apocalyptic number.
It is an amenable number.
1240741 is a deficient number, since it is larger than the sum of its proper divisors (1).
1240741 is an equidigital number, since it uses as much as digits as its factorization.
1240741 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 224, while the sum is 19.
The square root of 1240741 is about 1113.8855416963. The cubic root of 1240741 is about 107.4551029389.
The spelling of 1240741 in words is "one million, two hundred forty thousand, seven hundred forty-one".
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