120171145606 has 16 divisors (see below), whose sum is σ = 191015418240. Its totient is φ = 56505093760.

The previous prime is 120171145583. The next prime is 120171145607. The reversal of 120171145606 is 606541171021.

It is a super-2 number, since 2×120171145606² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120171145607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396150 + ... + 1479721.

It is an arithmetic number, because the mean of its divisors is an integer number (11938463640).

Almost surely, 2^120171145606 is an apocalyptic number.

120171145606 is a deficient number, since it is larger than the sum of its proper divisors (70844272634).

120171145606 is a wasteful number, since it uses less digits than its factorization.

120171145606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877119.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 120171145606 in words is "one hundred twenty billion, one hundred seventy-one million, one hundred forty-five thousand, six hundred six".