655120607 has 8 divisors (see below), whose sum is σ = 659488752. Its totient is φ = 650764800.

The previous prime is 655120603. The next prime is 655120649. The reversal of 655120607 is 706021556.

It is a happy number.

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 655120607 - 2² = 655120603 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 (655120603) 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, 119057 + ... + 124437.

It is an arithmetic number, because the mean of its divisors is an integer number (82436094).

Almost surely, 2^655120607 is an apocalyptic number.

655120607 is a deficient number, since it is larger than the sum of its proper divisors (4368145).

655120607 is a wasteful number, since it uses less digits than its factorization.

655120607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 655120607 is about 25595.3239284054. The cubic root of 655120607 is about 868.5078606641.

The spelling of 655120607 in words is "six hundred fifty-five million, one hundred twenty thousand, six hundred seven".