813120607 has 8 divisors (see below), whose sum is σ = 903916160. Its totient is φ = 726360480.

The previous prime is 813120601. The next prime is 813120611. The reversal of 813120607 is 706021318.

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 813120607 - 2⁷ = 813120479 is a prime.

It is a super-2 number, since 2×813120607² = 1322330243056096898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813120601) 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, 1008432 + ... + 1009237.

It is an arithmetic number, because the mean of its divisors is an integer number (112989520).

Almost surely, 2^813120607 is an apocalyptic number.

813120607 is a deficient number, since it is larger than the sum of its proper divisors (90795553).

813120607 is a wasteful number, since it uses less digits than its factorization.

813120607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017713.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 813120607 is about 28515.2697164169. The cubic root of 813120607 is about 933.3653105399.

The spelling of 813120607 in words is "eight hundred thirteen million, one hundred twenty thousand, six hundred seven".