120681967 has 4 divisors (see below), whose sum is σ = 137922256. Its totient is φ = 103441680.

The previous prime is 120681949. The next prime is 120682019. The reversal of 120681967 is 769186021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769186021 = 43 ⋅17888047.

It is a cyclic number.

It is not a de Polignac number, because 120681967 - 2⁷ = 120681839 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 (120681467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8620134 + ... + 8620147.

It is an arithmetic number, because the mean of its divisors is an integer number (34480564).

Almost surely, 2^120681967 is an apocalyptic number.

120681967 is a deficient number, since it is larger than the sum of its proper divisors (17240289).

120681967 is an equidigital number, since it uses as much as digits as its factorization.

120681967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17240288.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 120681967 is about 10985.5344430756. The cubic root of 120681967 is about 494.1750255360.

The spelling of 120681967 in words is "one hundred twenty million, six hundred eighty-one thousand, nine hundred sixty-seven".