120305629 has 2 divisors, whose sum is σ = 120305630. Its totient is φ = 120305628.

The previous prime is 120305623. The next prime is 120305657. The reversal of 120305629 is 926503021.

It is an a-pointer prime, because the next prime (120305657) can be obtained adding 120305629 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118853604 + 1452025 = 10902^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 120305629 - 2⁷ = 120305501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120305597 and 120305606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120305623) 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, 60152814 + 60152815.

It is an arithmetic number, because the mean of its divisors is an integer number (60152815).

Almost surely, 2^120305629 is an apocalyptic number.

It is an amenable number.

120305629 is a deficient number, since it is larger than the sum of its proper divisors (1).

120305629 is an equidigital number, since it uses as much as digits as its factorization.

120305629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 120305629 is about 10968.3922705199. The cubic root of 120305629 is about 493.6608076032.

The spelling of 120305629 in words is "one hundred twenty million, three hundred five thousand, six hundred twenty-nine".