120511 has 2 divisors, whose sum is σ = 120512. Its totient is φ = 120510.

The previous prime is 120503. The next prime is 120539. The reversal of 120511 is 115021.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (115021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120511 - 2³ = 120503 is a prime.

It is a super-2 number, since 2×120511² = 29045802242, which contains 22 as substring.

It is equal to p₁₁₃₄₁ and since 120511 and 11341 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60255 + 60256.

It is an arithmetic number, because the mean of its divisors is an integer number (60256).

2¹²⁰⁵¹¹ is an apocalyptic number.

120511 is a deficient number, since it is larger than the sum of its proper divisors (1).

120511 is an equidigital number, since it uses as much as digits as its factorization.

120511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 120511 is about 347.1469429507. The cubic root of 120511 is about 49.3941553620.

Adding to 120511 its reverse (115021), we get a palindrome (235532).

The spelling of 120511 in words is "one hundred twenty thousand, five hundred eleven".