41890129 has 4 divisors (see below), whose sum is σ = 42322084. Its totient is φ = 41458176.

The previous prime is 41890099. The next prime is 41890133. The reversal of 41890129 is 92109814.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33039504 + 8850625 = 5748^2 + 2975^2 .

It is a cyclic number.

It is not a de Polignac number, because 41890129 - 2¹¹ = 41888081 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41890094 and 41890103.

It is not an unprimeable number, because it can be changed into a prime (41890139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215832 + ... + 216025.

It is an arithmetic number, because the mean of its divisors is an integer number (10580521).

Almost surely, 2^41890129 is an apocalyptic number.

It is an amenable number.

41890129 is a deficient number, since it is larger than the sum of its proper divisors (431955).

41890129 is an equidigital number, since it uses as much as digits as its factorization.

41890129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431954.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 41890129 is about 6472.2584157309. The cubic root of 41890129 is about 347.2992930325.

The spelling of 41890129 in words is "forty-one million, eight hundred ninety thousand, one hundred twenty-nine".