120303857 has 2 divisors, whose sum is σ = 120303858. Its totient is φ = 120303856.

The previous prime is 120303853. The next prime is 120303863. The reversal of 120303857 is 758303021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 379456 = 10951^2 + 616^2 .

It is a cyclic number.

It is not a de Polignac number, because 120303857 - 2² = 120303853 is a prime.

It is not a weakly prime, because it can be changed into another prime (120303851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151928 + 60151929.

It is an arithmetic number, because the mean of its divisors is an integer number (60151929).

Almost surely, 2^120303857 is an apocalyptic number.

It is an amenable number.

120303857 is a deficient number, since it is larger than the sum of its proper divisors (1).

120303857 is an equidigital number, since it uses as much as digits as its factorization.

120303857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 120303857 is about 10968.3114926592. The cubic root of 120303857 is about 493.6583838561.

Adding to 120303857 its reverse (758303021), we get a palindrome (878606878).

The spelling of 120303857 in words is "one hundred twenty million, three hundred three thousand, eight hundred fifty-seven".