1018741 has 4 divisors (see below), whose sum is σ = 1053900. Its totient is φ = 983584.

The previous prime is 1018733. The next prime is 1018763. The reversal of 1018741 is 1478101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1478101 = 29 ⋅50969.

It can be written as a sum of positive squares in 2 ways, for example, as 260100 + 758641 = 510^2 + 871^2 .

It is a cyclic number.

It is not a de Polignac number, because 1018741 - 2³ = 1018733 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1018741 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018711) 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 in 3 ways as a sum of consecutive naturals, for example, 17536 + ... + 17593.

It is an arithmetic number, because the mean of its divisors is an integer number (263475).

2^1018741 is an apocalyptic number.

It is an amenable number.

1018741 is a deficient number, since it is larger than the sum of its proper divisors (35159).

1018741 is an equidigital number, since it uses as much as digits as its factorization.

1018741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35158.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1018741 is about 1009.3270035028. The cubic root of 1018741 is about 100.6208376299.

The spelling of 1018741 in words is "one million, eighteen thousand, seven hundred forty-one".