120660005 has 16 divisors (see below), whose sum is σ = 147498624. Its totient is φ = 94739520.

The previous prime is 120659993. The next prime is 120660017. The reversal of 120660005 is 500066021.

It is an interprime number because it is at equal distance from previous prime (120659993) and next prime (120660017).

It is a de Polignac number, because none of the positive numbers 2^k-120660005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68435 + ... + 70175.

It is an arithmetic number, because the mean of its divisors is an integer number (9218664).

Almost surely, 2^120660005 is an apocalyptic number.

It is an amenable number.

120660005 is a deficient number, since it is larger than the sum of its proper divisors (26838619).

120660005 is a wasteful number, since it uses less digits than its factorization.

120660005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 120660005 is about 10984.5348103595. The cubic root of 120660005 is about 494.1450466568.

The spelling of 120660005 in words is "one hundred twenty million, six hundred sixty thousand, five".