1129198513 has 2 divisors, whose sum is σ = 1129198514. Its totient is φ = 1129198512.

The previous prime is 1129198489. The next prime is 1129198537. The reversal of 1129198513 is 3158919211.

It is a balanced prime because it is at equal distance from previous prime (1129198489) and next prime (1129198537).

It can be written as a sum of positive squares in only one way, i.e., 826160049 + 303038464 = 28743^2 + 17408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129198513 - 2⁹ = 1129198001 is a prime.

It is a super-2 number, since 2×1129198513² = 2550178563522822338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1129198573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564599256 + 564599257.

It is an arithmetic number, because the mean of its divisors is an integer number (564599257).

Almost surely, 2^1129198513 is an apocalyptic number.

It is an amenable number.

1129198513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129198513 is an equidigital number, since it uses as much as digits as its factorization.

1129198513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 40.

The square root of 1129198513 is about 33603.5491131517. The cubic root of 1129198513 is about 1041.3341214865.

The spelling of 1129198513 in words is "one billion, one hundred twenty-nine million, one hundred ninety-eight thousand, five hundred thirteen".