41072121 has 12 divisors (see below), whose sum is σ = 59410260. Its totient is φ = 27342720.

The previous prime is 41072077. The next prime is 41072131. The reversal of 41072121 is 12127014.

It can be written as a sum of positive squares in 2 ways, for example, as 38937600 + 2134521 = 6240^2 + 1461^2 .

It is not a de Polignac number, because 41072121 - 2¹⁵ = 41039353 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 41072094 and 41072103.

It is not an unprimeable number, because it can be changed into a prime (41072131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4461 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (4950855).

Almost surely, 2^41072121 is an apocalyptic number.

It is an amenable number.

41072121 is a deficient number, since it is larger than the sum of its proper divisors (18338139).

41072121 is a wasteful number, since it uses less digits than its factorization.

41072121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 41072121 is about 6408.7534669388. The cubic root of 41072121 is about 345.0237916800.

Adding to 41072121 its reverse (12127014), we get a palindrome (53199135).

The spelling of 41072121 in words is "forty-one million, seventy-two thousand, one hundred twenty-one".