120203407 has 2 divisors, whose sum is σ = 120203408. Its totient is φ = 120203406.

The previous prime is 120203387. The next prime is 120203423. The reversal of 120203407 is 704302021.

120203407 is nontrivially palindromic in base 8.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120203407 - 2¹¹ = 120201359 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120203437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101703 + 60101704.

It is an arithmetic number, because the mean of its divisors is an integer number (60101704).

Almost surely, 2^120203407 is an apocalyptic number.

120203407 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203407 is an equidigital number, since it uses as much as digits as its factorization.

120203407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 120203407 is about 10963.7314359665. The cubic root of 120203407 is about 493.5209491033.

Adding to 120203407 its reverse (704302021), we get a palindrome (824505428).

The spelling of 120203407 in words is "one hundred twenty million, two hundred three thousand, four hundred seven".