120661671 has 8 divisors (see below), whose sum is σ = 173257840. Its totient is φ = 74253312.

The previous prime is 120661669. The next prime is 120661727. The reversal of 120661671 is 176166021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120661671 - 2¹ = 120661669 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 (120668671) 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, 1546906 + ... + 1546983.

It is an arithmetic number, because the mean of its divisors is an integer number (21657230).

Almost surely, 2^120661671 is an apocalyptic number.

120661671 is a deficient number, since it is larger than the sum of its proper divisors (52596169).

120661671 is a wasteful number, since it uses less digits than its factorization.

120661671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093905.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 120661671 is about 10984.6106439873. The cubic root of 120661671 is about 494.1473209312.

The spelling of 120661671 in words is "one hundred twenty million, six hundred sixty-one thousand, six hundred seventy-one".