120180121 has 2 divisors, whose sum is σ = 120180122. Its totient is φ = 120180120.

The previous prime is 120180077. The next prime is 120180127. The reversal of 120180121 is 121081021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119661721 + 518400 = 10939^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 120180121 - 2¹¹ = 120178073 is a prime.

It is a super-2 number, since 2×120180121² = 28886522967149282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120180095 and 120180104.

It is not a weakly prime, because it can be changed into another prime (120180127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60090060 + 60090061.

It is an arithmetic number, because the mean of its divisors is an integer number (60090061).

Almost surely, 2^120180121 is an apocalyptic number.

It is an amenable number.

120180121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120180121 is an equidigital number, since it uses as much as digits as its factorization.

120180121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 120180121 is about 10962.6694285653. The cubic root of 120180121 is about 493.4890784842.

The spelling of 120180121 in words is "one hundred twenty million, one hundred eighty thousand, one hundred twenty-one".