120534457 has 2 divisors, whose sum is σ = 120534458. Its totient is φ = 120534456.

The previous prime is 120534451. The next prime is 120534481. The reversal of 120534457 is 754435021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69039481 + 51494976 = 8309^2 + 7176^2 .

It is an emirp because it is prime and its reverse (754435021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120534457 - 2¹⁹ = 120010169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120534451) 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, 60267228 + 60267229.

It is an arithmetic number, because the mean of its divisors is an integer number (60267229).

Almost surely, 2^120534457 is an apocalyptic number.

It is an amenable number.

120534457 is a deficient number, since it is larger than the sum of its proper divisors (1).

120534457 is an equidigital number, since it uses as much as digits as its factorization.

120534457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 120534457 is about 10978.8185612114. The cubic root of 120534457 is about 493.9735994786.

Adding to 120534457 its reverse (754435021), we get a palindrome (874969478).

The spelling of 120534457 in words is "one hundred twenty million, five hundred thirty-four thousand, four hundred fifty-seven".