840100741 has 2 divisors, whose sum is σ = 840100742. Its totient is φ = 840100740.

The previous prime is 840100727. The next prime is 840100771. The reversal of 840100741 is 147001048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791240641 + 48860100 = 28129^2 + 6990^2 .

It is a cyclic number.

It is not a de Polignac number, because 840100741 - 2⁹ = 840100229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (840100771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420050370 + 420050371.

It is an arithmetic number, because the mean of its divisors is an integer number (420050371).

Almost surely, 2^840100741 is an apocalyptic number.

It is an amenable number.

840100741 is a deficient number, since it is larger than the sum of its proper divisors (1).

840100741 is an equidigital number, since it uses as much as digits as its factorization.

840100741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 840100741 is about 28984.4913876369. The cubic root of 840100741 is about 943.5765140166.

Adding to 840100741 its reverse (147001048), we get a palindrome (987101789).

It can be divided in two parts, 8401007 and 41, that added together give a palindrome (8401048).

The spelling of 840100741 in words is "eight hundred forty million, one hundred thousand, seven hundred forty-one".