120259959 has 8 divisors (see below), whose sum is σ = 161368560. Its totient is φ = 79662336.

The previous prime is 120259957. The next prime is 120259961. The reversal of 120259959 is 959952021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120259957) and next prime (120259961).

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

It is not a de Polignac number, because 120259959 - 2¹ = 120259957 is a prime.

It is a super-3 number, since 3×120259959³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 120259959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120259957) 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, 127194 + ... + 128135.

It is an arithmetic number, because the mean of its divisors is an integer number (20171070).

Almost surely, 2^120259959 is an apocalyptic number.

120259959 is a deficient number, since it is larger than the sum of its proper divisors (41108601).

120259959 is a wasteful number, since it uses less digits than its factorization.

120259959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255489.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 120259959 is about 10966.3101816427. The cubic root of 120259959 is about 493.5983324368.

The spelling of 120259959 in words is "one hundred twenty million, two hundred fifty-nine thousand, nine hundred fifty-nine".