120031207 has 2 divisors, whose sum is σ = 120031208. Its totient is φ = 120031206.

The previous prime is 120031201. The next prime is 120031211. The reversal of 120031207 is 702130021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120031207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120031201) 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, 60015603 + 60015604.

It is an arithmetic number, because the mean of its divisors is an integer number (60015604).

Almost surely, 2^120031207 is an apocalyptic number.

120031207 is a deficient number, since it is larger than the sum of its proper divisors (1).

120031207 is an equidigital number, since it uses as much as digits as its factorization.

120031207 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 120031207 is about 10955.8754556630. The cubic root of 120031207 is about 493.2851684269.

Adding to 120031207 its reverse (702130021), we get a palindrome (822161228).

The spelling of 120031207 in words is "one hundred twenty million, thirty-one thousand, two hundred seven".