35121985 has 8 divisors (see below), whose sum is σ = 42304680. Its totient is φ = 27992064.

The previous prime is 35121967. The next prime is 35121997. The reversal of 35121985 is 58912153.

35121985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 535824 + 34586161 = 732^2 + 5881^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 35121985 - 2²¹ = 33024833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 35121985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11712 + ... + 14401.

It is an arithmetic number, because the mean of its divisors is an integer number (5288085).

Almost surely, 2^35121985 is an apocalyptic number.

It is an amenable number.

35121985 is a deficient number, since it is larger than the sum of its proper divisors (7182695).

35121985 is a wasteful number, since it uses less digits than its factorization.

35121985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387.

The product of its digits is 10800, while the sum is 34.

The square root of 35121985 is about 5926.3804299083. The cubic root of 35121985 is about 327.4862104017.

The spelling of 35121985 in words is "thirty-five million, one hundred twenty-one thousand, nine hundred eighty-five".