1201017613 has 2 divisors, whose sum is σ = 1201017614. Its totient is φ = 1201017612.

The previous prime is 1201017599. The next prime is 1201017617. The reversal of 1201017613 is 3167101021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681314404 + 519703209 = 26102^2 + 22797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201017613 - 2⁹ = 1201017101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201017617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600508806 + 600508807.

It is an arithmetic number, because the mean of its divisors is an integer number (600508807).

Almost surely, 2^1201017613 is an apocalyptic number.

It is an amenable number.

1201017613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201017613 is an equidigital number, since it uses as much as digits as its factorization.

1201017613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1201017613 is about 34655.7010172930. The cubic root of 1201017613 is about 1062.9588663065.

Adding to 1201017613 its reverse (3167101021), we get a palindrome (4368118634).

The spelling of 1201017613 in words is "one billion, two hundred one million, seventeen thousand, six hundred thirteen".