1145201017 has 2 divisors, whose sum is σ = 1145201018. Its totient is φ = 1145201016.

The previous prime is 1145201011. The next prime is 1145201081. The reversal of 1145201017 is 7101025411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962302441 + 182898576 = 31021^2 + 13524^2 .

It is an emirp because it is prime and its reverse (7101025411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145201017 is a prime.

It is a super-3 number, since 3×1145201017³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1145201011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572600508 + 572600509.

It is an arithmetic number, because the mean of its divisors is an integer number (572600509).

Almost surely, 2^1145201017 is an apocalyptic number.

It is an amenable number.

1145201017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145201017 is an equidigital number, since it uses as much as digits as its factorization.

1145201017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1145201017 is about 33840.8187991957. The cubic root of 1145201017 is about 1046.2301750865.

Adding to 1145201017 its reverse (7101025411), we get a palindrome (8246226428).

The spelling of 1145201017 in words is "one billion, one hundred forty-five million, two hundred one thousand, seventeen".