120967997 has 2 divisors, whose sum is σ = 120967998. Its totient is φ = 120967996.

The previous prime is 120967981. The next prime is 120968009. The reversal of 120967997 is 799769021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96157636 + 24810361 = 9806^2 + 4981^2 .

It is an emirp because it is prime and its reverse (799769021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120967997 - 2⁴ = 120967981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120964997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60483998 + 60483999.

It is an arithmetic number, because the mean of its divisors is an integer number (60483999).

Almost surely, 2^120967997 is an apocalyptic number.

It is an amenable number.

120967997 is a deficient number, since it is larger than the sum of its proper divisors (1).

120967997 is an equidigital number, since it uses as much as digits as its factorization.

120967997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 120967997 is about 10998.5452219828. The cubic root of 120967997 is about 494.5651345194.

The spelling of 120967997 in words is "one hundred twenty million, nine hundred sixty-seven thousand, nine hundred ninety-seven".