120501171 has 48 divisors (see below), whose sum is σ = 204871680. Its totient is φ = 66830400.

The previous prime is 120501167. The next prime is 120501203. The reversal of 120501171 is 171105021.

It is a happy number.

It is not a de Polignac number, because 120501171 - 2² = 120501167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120501671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504070 + ... + 504308.

It is an arithmetic number, because the mean of its divisors is an integer number (4268160).

Almost surely, 2^120501171 is an apocalyptic number.

120501171 is a deficient number, since it is larger than the sum of its proper divisors (84370509).

120501171 is a wasteful number, since it uses less digits than its factorization.

120501171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 120501171 is about 10977.3025375089. The cubic root of 120501171 is about 493.9281244628.

Adding to 120501171 its reverse (171105021), we get a palindrome (291606192).

The spelling of 120501171 in words is "one hundred twenty million, five hundred one thousand, one hundred seventy-one".