102120613 has 8 divisors (see below), whose sum is σ = 119192832. Its totient is φ = 85669296.

The previous prime is 102120607. The next prime is 102120653. The reversal of 102120613 is 316021201.

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 102120613 - 2⁹ = 102120101 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 (102120653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154870 + ... + 155527.

It is an arithmetic number, because the mean of its divisors is an integer number (14899104).

Almost surely, 2^102120613 is an apocalyptic number.

It is an amenable number.

102120613 is a deficient number, since it is larger than the sum of its proper divisors (17072219).

102120613 is an equidigital number, since it uses as much as digits as its factorization.

102120613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310451.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102120613 is about 10105.4744074685. The cubic root of 102120613 is about 467.4169648631.

Adding to 102120613 its reverse (316021201), we get a palindrome (418141814).

The spelling of 102120613 in words is "one hundred two million, one hundred twenty thousand, six hundred thirteen".