41128985 has 8 divisors (see below), whose sum is σ = 49614336. Its totient is φ = 32730160.

The previous prime is 41128979. The next prime is 41128987. The reversal of 41128985 is 58982114.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41128985 - 2¹⁸ = 40866841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41128987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20579 + ... + 22488.

It is an arithmetic number, because the mean of its divisors is an integer number (6201792).

Almost surely, 2^41128985 is an apocalyptic number.

It is an amenable number.

41128985 is a deficient number, since it is larger than the sum of its proper divisors (8485351).

41128985 is a wasteful number, since it uses less digits than its factorization.

41128985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43263.

The product of its digits is 23040, while the sum is 38.

The square root of 41128985 is about 6413.1883646124. The cubic root of 41128985 is about 345.1829457490.

The spelling of 41128985 in words is "forty-one million, one hundred twenty-eight thousand, nine hundred eighty-five".