120681075 has 24 divisors (see below), whose sum is σ = 199846336. Its totient is φ = 64260000.

The previous prime is 120681073. The next prime is 120681089. The reversal of 120681075 is 570186021.

It is not a de Polignac number, because 120681075 - 2¹ = 120681073 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120681073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78060 + ... + 79590.

Almost surely, 2^120681075 is an apocalyptic number.

120681075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120681075 is a deficient number, since it is larger than the sum of its proper divisors (79165261).

120681075 is a wasteful number, since it uses less digits than its factorization.

120681075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 120681075 is about 10985.4938441565. The cubic root of 120681075 is about 494.1738079965.

The spelling of 120681075 in words is "one hundred twenty million, six hundred eighty-one thousand, seventy-five".