1217552059 has 2 divisors, whose sum is σ = 1217552060. Its totient is φ = 1217552058.

The previous prime is 1217552047. The next prime is 1217552069. The reversal of 1217552059 is 9502557121.

It is a strong prime.

It is an emirp because it is prime and its reverse (9502557121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1217552059 - 2⁵ = 1217552027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1217552069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608776029 + 608776030.

It is an arithmetic number, because the mean of its divisors is an integer number (608776030).

Almost surely, 2^1217552059 is an apocalyptic number.

1217552059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1217552059 is an equidigital number, since it uses as much as digits as its factorization.

1217552059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 1217552059 is about 34893.4386239018. The cubic root of 1217552059 is about 1067.8145801044.

The spelling of 1217552059 in words is "one billion, two hundred seventeen million, five hundred fifty-two thousand, fifty-nine".