120535021 has 2 divisors, whose sum is σ = 120535022. Its totient is φ = 120535020.

The previous prime is 120535003. The next prime is 120535033.

120535021 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119355625 + 1179396 = 10925^2 + 1086^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 120535021 - 2⁵ = 120534989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120535021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120535001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60267510 + 60267511.

It is an arithmetic number, because the mean of its divisors is an integer number (60267511).

Almost surely, 2^120535021 is an apocalyptic number.

It is an amenable number.

120535021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120535021 is an equidigital number, since it uses as much as digits as its factorization.

120535021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 120535021 is about 10978.8442470052. The cubic root of 120535021 is about 493.9743699379.

The spelling of 120535021 in words is "one hundred twenty million, five hundred thirty-five thousand, twenty-one".