120005969 has 2 divisors, whose sum is σ = 120005970. Its totient is φ = 120005968.

The previous prime is 120005959. The next prime is 120005981. The reversal of 120005969 is 969500021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75916369 + 44089600 = 8713^2 + 6640^2 .

It is a cyclic number.

It is not a de Polignac number, because 120005969 - 2⁴ = 120005953 is a prime.

It is a super-2 number, since 2×120005969² = 28802865191257922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120005959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60002984 + 60002985.

It is an arithmetic number, because the mean of its divisors is an integer number (60002985).

Almost surely, 2^120005969 is an apocalyptic number.

It is an amenable number.

120005969 is a deficient number, since it is larger than the sum of its proper divisors (1).

120005969 is an equidigital number, since it uses as much as digits as its factorization.

120005969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 120005969 is about 10954.7235930442. The cubic root of 120005969 is about 493.2505929638.

The spelling of 120005969 in words is "one hundred twenty million, five thousand, nine hundred sixty-nine".