120999679 has 2 divisors, whose sum is σ = 120999680. Its totient is φ = 120999678.

The previous prime is 120999677. The next prime is 120999709. The reversal of 120999679 is 976999021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120999679 - 2¹ = 120999677 is a prime.

Together with 120999677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120999673) 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, 60499839 + 60499840.

It is an arithmetic number, because the mean of its divisors is an integer number (60499840).

Almost surely, 2^120999679 is an apocalyptic number.

120999679 is a deficient number, since it is larger than the sum of its proper divisors (1).

120999679 is an equidigital number, since it uses as much as digits as its factorization.

120999679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 52.

The square root of 120999679 is about 10999.9854090812. The cubic root of 120999679 is about 494.6083069432.

The spelling of 120999679 in words is "one hundred twenty million, nine hundred ninety-nine thousand, six hundred seventy-nine".