120916885 has 8 divisors (see below), whose sum is σ = 146160216. Its totient is φ = 96026880.

The previous prime is 120916883. The next prime is 120916889. The reversal of 120916885 is 588619021.

It can be written as a sum of positive squares in 4 ways, for example, as 54037201 + 66879684 = 7351^2 + 8178^2 .

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

It is not a de Polignac number, because 120916885 - 2¹ = 120916883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120916883) 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, 87576 + ... + 88945.

It is an arithmetic number, because the mean of its divisors is an integer number (18270027).

Almost surely, 2^120916885 is an apocalyptic number.

It is an amenable number.

120916885 is a deficient number, since it is larger than the sum of its proper divisors (25243331).

120916885 is a wasteful number, since it uses less digits than its factorization.

120916885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176663.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 120916885 is about 10996.2213964616. The cubic root of 120916885 is about 494.4954693329.

It can be divided in two parts, 120916 and 885, that added together give a square (121801 = 349²).

The spelling of 120916885 in words is "one hundred twenty million, nine hundred sixteen thousand, eight hundred eighty-five".