120099601 has 2 divisors, whose sum is σ = 120099602. Its totient is φ = 120099600.

The previous prime is 120099599. The next prime is 120099631. The reversal of 120099601 is 106990021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89794576 + 30305025 = 9476^2 + 5505^2 .

It is a cyclic number.

It is not a de Polignac number, because 120099601 - 2¹ = 120099599 is a prime.

Together with 120099599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 120099601.

It is not a weakly prime, because it can be changed into another prime (120099631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60049800 + 60049801.

It is an arithmetic number, because the mean of its divisors is an integer number (60049801).

Almost surely, 2^120099601 is an apocalyptic number.

It is an amenable number.

120099601 is a deficient number, since it is larger than the sum of its proper divisors (1).

120099601 is an equidigital number, since it uses as much as digits as its factorization.

120099601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 120099601 is about 10958.9963500313. The cubic root of 120099601 is about 493.3788422327.

The spelling of 120099601 in words is "one hundred twenty million, ninety-nine thousand, six hundred one".