1013401217 has 2 divisors, whose sum is σ = 1013401218. Its totient is φ = 1013401216.

The previous prime is 1013401189. The next prime is 1013401237. The reversal of 1013401217 is 7121043101.

It is a happy number.

It is an a-pointer prime, because the next prime (1013401237) can be obtained adding 1013401217 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 914518081 + 98883136 = 30241^2 + 9944^2 .

It is an emirp because it is prime and its reverse (7121043101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013401217 - 2⁶ = 1013401153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013401237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506700608 + 506700609.

It is an arithmetic number, because the mean of its divisors is an integer number (506700609).

Almost surely, 2^1013401217 is an apocalyptic number.

It is an amenable number.

1013401217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013401217 is an equidigital number, since it uses as much as digits as its factorization.

1013401217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1013401217 is about 31833.9632625283. The cubic root of 1013401217 is about 1004.4472648491.

Adding to 1013401217 its reverse (7121043101), we get a palindrome (8134444318).

The spelling of 1013401217 in words is "one billion, thirteen million, four hundred one thousand, two hundred seventeen".