120500531 has 2 divisors, whose sum is σ = 120500532. Its totient is φ = 120500530.

The previous prime is 120500509. The next prime is 120500533. The reversal of 120500531 is 135005021.

It is a strong prime.

It is an emirp because it is prime and its reverse (135005021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120500531 - 2⁶ = 120500467 is a prime.

It is a super-2 number, since 2×120500531² = 29040755942563922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 120500533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120500533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60250265 + 60250266.

It is an arithmetic number, because the mean of its divisors is an integer number (60250266).

Almost surely, 2^120500531 is an apocalyptic number.

120500531 is a deficient number, since it is larger than the sum of its proper divisors (1).

120500531 is an equidigital number, since it uses as much as digits as its factorization.

120500531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 120500531 is about 10977.2733864107. The cubic root of 120500531 is about 493.9272500189.

Adding to 120500531 its reverse (135005021), we get a palindrome (255505552).

The spelling of 120500531 in words is "one hundred twenty million, five hundred thousand, five hundred thirty-one".