120243407 has 2 divisors, whose sum is σ = 120243408. Its totient is φ = 120243406.

The previous prime is 120243373. The next prime is 120243427. The reversal of 120243407 is 704342021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120243407 - 2¹² = 120239311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120243427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60121703 + 60121704.

It is an arithmetic number, because the mean of its divisors is an integer number (60121704).

Almost surely, 2^120243407 is an apocalyptic number.

120243407 is a deficient number, since it is larger than the sum of its proper divisors (1).

120243407 is an equidigital number, since it uses as much as digits as its factorization.

120243407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 120243407 is about 10965.5554806859. Note that the first 3 decimals coincide. The cubic root of 120243407 is about 493.5756859008.

Adding to 120243407 its reverse (704342021), we get a palindrome (824585428).

The spelling of 120243407 in words is "one hundred twenty million, two hundred forty-three thousand, four hundred seven".