100043741 has 6 divisors (see below), whose sum is σ = 116377470. Its totient is φ = 85751736.

The previous prime is 100043737. The next prime is 100043761. The reversal of 100043741 is 147340001.

It can be written as a sum of positive squares in only one way, i.e., 56100100 + 43943641 = 7490^2 + 6629^2 .

It is not a de Polignac number, because 100043741 - 2² = 100043737 is a prime.

It is a super-2 number, since 2×100043741² = 20017500226550162, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100043711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020806 + ... + 1020903.

It is an arithmetic number, because the mean of its divisors is an integer number (19396245).

Almost surely, 2^100043741 is an apocalyptic number.

It is an amenable number.

100043741 is a deficient number, since it is larger than the sum of its proper divisors (16333729).

100043741 is an equidigital number, since it uses as much as digits as its factorization.

100043741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041723 (or 2041716 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 100043741 is about 10002.1868108929. The cubic root of 100043741 is about 464.2265494087.

Adding to 100043741 its reverse (147340001), we get a palindrome (247383742).

The spelling of 100043741 in words is "one hundred million, forty-three thousand, seven hundred forty-one".