120680813 has 8 divisors (see below), whose sum is σ = 131733696. Its totient is φ = 109641600.

The previous prime is 120680809. The next prime is 120680827. The reversal of 120680813 is 318086021.

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

It is a cyclic number.

It is not a de Polignac number, because 120680813 - 2² = 120680809 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 (120680893) 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, 26408 + ... + 30638.

It is an arithmetic number, because the mean of its divisors is an integer number (16466712).

Almost surely, 2^120680813 is an apocalyptic number.

It is an amenable number.

120680813 is a deficient number, since it is larger than the sum of its proper divisors (11052883).

120680813 is a wasteful number, since it uses less digits than its factorization.

120680813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 120680813 is about 10985.4819193334. The cubic root of 120680813 is about 494.1734503772.

The spelling of 120680813 in words is "one hundred twenty million, six hundred eighty thousand, eight hundred thirteen".