120005575 has 12 divisors (see below), whose sum is σ = 149364448. Its totient is φ = 95644800.

The previous prime is 120005573. The next prime is 120005581. The reversal of 120005575 is 575500021.

It is a happy number.

It is not a de Polignac number, because 120005575 - 2¹ = 120005573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120005573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2082 + ... + 15631.

Almost surely, 2^120005575 is an apocalyptic number.

120005575 is a deficient number, since it is larger than the sum of its proper divisors (29358873).

120005575 is a wasteful number, since it uses less digits than its factorization.

120005575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17994 (or 17989 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 120005575 is about 10954.7056099194. The cubic root of 120005575 is about 493.2500531546.

Adding to 120005575 its reverse (575500021), we get a palindrome (695505596).

The spelling of 120005575 in words is "one hundred twenty million, five thousand, five hundred seventy-five".