120453257 has 2 divisors, whose sum is σ = 120453258. Its totient is φ = 120453256.

The previous prime is 120453209. The next prime is 120453271. The reversal of 120453257 is 752354021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106172416 + 14280841 = 10304^2 + 3779^2 .

It is an emirp because it is prime and its reverse (752354021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120453257 - 2¹⁴ = 120436873 is a prime.

It is a super-4 number, since 4×120453257⁴ (a number of 33 digits) contains 4444 as substring.

It is equal to p_6866003 and since 120453257 and 6866003 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (120450257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60226628 + 60226629.

It is an arithmetic number, because the mean of its divisors is an integer number (60226629).

Almost surely, 2^120453257 is an apocalyptic number.

It is an amenable number.

120453257 is a deficient number, since it is larger than the sum of its proper divisors (1).

120453257 is an equidigital number, since it uses as much as digits as its factorization.

120453257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 120453257 is about 10975.1199082288. The cubic root of 120453257 is about 493.8626501072.

The spelling of 120453257 in words is "one hundred twenty million, four hundred fifty-three thousand, two hundred fifty-seven".