107961985 has 8 divisors (see below), whose sum is σ = 137175336. Its totient is φ = 81288960.

The previous prime is 107961943. The next prime is 107961989. The reversal of 107961985 is 589169701.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20875761 + 87086224 = 4569^2 + 9332^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-107961985 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107961989) 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, 634986 + ... + 635155.

It is an arithmetic number, because the mean of its divisors is an integer number (17146917).

Almost surely, 2^107961985 is an apocalyptic number.

It is an amenable number.

107961985 is a deficient number, since it is larger than the sum of its proper divisors (29213351).

107961985 is a wasteful number, since it uses less digits than its factorization.

107961985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270163.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 107961985 is about 10390.4756868971. The cubic root of 107961985 is about 476.1644339861.

The spelling of 107961985 in words is "one hundred seven million, nine hundred sixty-one thousand, nine hundred eighty-five".