120709829 has 2 divisors, whose sum is σ = 120709830. Its totient is φ = 120709828.

The previous prime is 120709783. The next prime is 120709871. The reversal of 120709829 is 928907021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77176225 + 43533604 = 8785^2 + 6598^2 .

It is a cyclic number.

It is not a de Polignac number, because 120709829 - 2⁸ = 120709573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120709792 and 120709801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120709879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60354914 + 60354915.

It is an arithmetic number, because the mean of its divisors is an integer number (60354915).

Almost surely, 2^120709829 is an apocalyptic number.

It is an amenable number.

120709829 is a deficient number, since it is larger than the sum of its proper divisors (1).

120709829 is an equidigital number, since it uses as much as digits as its factorization.

120709829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 120709829 is about 10986.8024920811. The cubic root of 120709829 is about 494.2130528830.

The spelling of 120709829 in words is "one hundred twenty million, seven hundred nine thousand, eight hundred twenty-nine".