120676813 has 4 divisors (see below), whose sum is σ = 122953788. Its totient is φ = 118399840.

The previous prime is 120676799. The next prime is 120676819. The reversal of 120676813 is 318676021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318676021 = 181 ⋅1760641.

It can be written as a sum of positive squares in 2 ways, for example, as 66536649 + 54140164 = 8157^2 + 7358^2 .

It is a cyclic number.

It is not a de Polignac number, because 120676813 - 2⁵ = 120676781 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 (120676819) 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, 1138408 + ... + 1138513.

It is an arithmetic number, because the mean of its divisors is an integer number (30738447).

Almost surely, 2^120676813 is an apocalyptic number.

It is an amenable number.

120676813 is a deficient number, since it is larger than the sum of its proper divisors (2276975).

120676813 is an equidigital number, since it uses as much as digits as its factorization.

120676813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276974.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 120676813 is about 10985.2998593575. The cubic root of 120676813 is about 494.1679904769.

The spelling of 120676813 in words is "one hundred twenty million, six hundred seventy-six thousand, eight hundred thirteen".