117430057 has 2 divisors, whose sum is σ = 117430058. Its totient is φ = 117430056.

The previous prime is 117430037. The next prime is 117430073. The reversal of 117430057 is 750034711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59228416 + 58201641 = 7696^2 + 7629^2 .

It is a cyclic number.

It is not a de Polignac number, because 117430057 - 2⁷ = 117429929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117430037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58715028 + 58715029.

It is an arithmetic number, because the mean of its divisors is an integer number (58715029).

Almost surely, 2^117430057 is an apocalyptic number.

It is an amenable number.

117430057 is a deficient number, since it is larger than the sum of its proper divisors (1).

117430057 is an equidigital number, since it uses as much as digits as its factorization.

117430057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 117430057 is about 10836.5149840712. The cubic root of 117430057 is about 489.6958503997.

Adding to 117430057 its reverse (750034711), we get a palindrome (867464768).

The spelling of 117430057 in words is "one hundred seventeen million, four hundred thirty thousand, fifty-seven".