120968281 has 16 divisors (see below), whose sum is σ = 142490880. Its totient is φ = 100526400.

The previous prime is 120968279. The next prime is 120968291. The reversal of 120968281 is 182869021.

It is a cyclic number.

It is not a de Polignac number, because 120968281 - 2¹ = 120968279 is a prime.

It is a super-2 number, since 2×120968281² = 29266650016189922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 120968281.

It is not an unprimeable number, because it can be changed into a prime (120968291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92331 + ... + 93631.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^120968281 is an apocalyptic number.

It is an amenable number.

120968281 is a deficient number, since it is larger than the sum of its proper divisors (21522599).

120968281 is a wasteful number, since it uses less digits than its factorization.

120968281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 120968281 is about 10998.5581327736. The cubic root of 120968281 is about 494.5655215540.

The spelling of 120968281 in words is "one hundred twenty million, nine hundred sixty-eight thousand, two hundred eighty-one".