1013111129 has 2 divisors, whose sum is σ = 1013111130. Its totient is φ = 1013111128.

The previous prime is 1013111123. The next prime is 1013111167. The reversal of 1013111129 is 9211113101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1007935504 + 5175625 = 31748^2 + 2275^2 .

It is an emirp because it is prime and its reverse (9211113101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013111129 - 2⁸ = 1013110873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1013111129.

It is not a weakly prime, because it can be changed into another prime (1013111123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506555564 + 506555565.

It is an arithmetic number, because the mean of its divisors is an integer number (506555565).

Almost surely, 2^1013111129 is an apocalyptic number.

It is an amenable number.

1013111129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013111129 is an equidigital number, since it uses as much as digits as its factorization.

1013111129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The square root of 1013111129 is about 31829.4066705617. The cubic root of 1013111129 is about 1004.3514140646.

The spelling of 1013111129 in words is "one billion, thirteen million, one hundred eleven thousand, one hundred twenty-nine".