120829 has 2 divisors, whose sum is σ = 120830. Its totient is φ = 120828.

The previous prime is 120823. The next prime is 120833. The reversal of 120829 is 928021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76729 + 44100 = 277^2 + 210^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120829 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60414 + 60415.

It is an arithmetic number, because the mean of its divisors is an integer number (60415).

2¹²⁰⁸²⁹ is an apocalyptic number.

It is an amenable number.

120829 is a deficient number, since it is larger than the sum of its proper divisors (1).

120829 is an equidigital number, since it uses as much as digits as its factorization.

120829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 120829 is about 347.6046604981. The cubic root of 120829 is about 49.4375636972.

It can be divided in two parts, 120 and 829, that added together give a palindrome (949).

The spelling of 120829 in words is "one hundred twenty thousand, eight hundred twenty-nine".