120524021 has 2 divisors, whose sum is σ = 120524022. Its totient is φ = 120524020.

The previous prime is 120523967. The next prime is 120524023. The reversal of 120524021 is 120425021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85359121 + 35164900 = 9239^2 + 5930^2 .

It is a cyclic number.

It is not a de Polignac number, because 120524021 - 2⁶ = 120523957 is a prime.

Together with 120524023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120524023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60262010 + 60262011.

It is an arithmetic number, because the mean of its divisors is an integer number (60262011).

Almost surely, 2^120524021 is an apocalyptic number.

It is an amenable number.

120524021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120524021 is an equidigital number, since it uses as much as digits as its factorization.

120524021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 120524021 is about 10978.3432720971. The cubic root of 120524021 is about 493.9593428160.

Adding to 120524021 its reverse (120425021), we get a palindrome (240949042).

The spelling of 120524021 in words is "one hundred twenty million, five hundred twenty-four thousand, twenty-one".