120034021 has 2 divisors, whose sum is σ = 120034022. Its totient is φ = 120034020.

The previous prime is 120034009. The next prime is 120034063. The reversal of 120034021 is 120430021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 31203396 = 9425^2 + 5586^2 .

It is a cyclic number.

It is not a de Polignac number, because 120034021 - 2¹¹ = 120031973 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120033992 and 120034010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120034081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60017010 + 60017011.

It is an arithmetic number, because the mean of its divisors is an integer number (60017011).

Almost surely, 2^120034021 is an apocalyptic number.

It is an amenable number.

120034021 is a deficient number, since it is larger than the sum of its proper divisors (1).

120034021 is an equidigital number, since it uses as much as digits as its factorization.

120034021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120034021 is about 10956.0038791523. The cubic root of 120034021 is about 493.2890232401.

Adding to 120034021 its reverse (120430021), we get a palindrome (240464042).

The spelling of 120034021 in words is "one hundred twenty million, thirty-four thousand, twenty-one".