120521069 has 2 divisors, whose sum is σ = 120521070. Its totient is φ = 120521068.

The previous prime is 120521039. The next prime is 120521077. The reversal of 120521069 is 960125021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84400969 + 36120100 = 9187^2 + 6010^2 .

It is a cyclic number.

It is not a de Polignac number, because 120521069 - 2²⁴ = 103743853 is a prime.

It is a super-2 number, since 2×120521069² = 29050656145805522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120521039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60260534 + 60260535.

It is an arithmetic number, because the mean of its divisors is an integer number (60260535).

Almost surely, 2^120521069 is an apocalyptic number.

It is an amenable number.

120521069 is a deficient number, since it is larger than the sum of its proper divisors (1).

120521069 is an equidigital number, since it uses as much as digits as its factorization.

120521069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 120521069 is about 10978.2088247583. The cubic root of 120521069 is about 493.9553099273.

The spelling of 120521069 in words is "one hundred twenty million, five hundred twenty-one thousand, sixty-nine".