120312007 has 2 divisors, whose sum is σ = 120312008. Its totient is φ = 120312006.

The previous prime is 120311993. The next prime is 120312019. The reversal of 120312007 is 700213021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (700213021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120312007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120313007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60156003 + 60156004.

It is an arithmetic number, because the mean of its divisors is an integer number (60156004).

Almost surely, 2^120312007 is an apocalyptic number.

120312007 is a deficient number, since it is larger than the sum of its proper divisors (1).

120312007 is an equidigital number, since it uses as much as digits as its factorization.

120312007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 120312007 is about 10968.6830111915. The cubic root of 120312007 is about 493.6695312542.

Adding to 120312007 its reverse (700213021), we get a palindrome (820525028).

The spelling of 120312007 in words is "one hundred twenty million, three hundred twelve thousand, seven".