1128654613 has 2 divisors, whose sum is σ = 1128654614. Its totient is φ = 1128654612.

The previous prime is 1128654581. The next prime is 1128654617. The reversal of 1128654613 is 3164568211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702356004 + 426298609 = 26502^2 + 20647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128654613 - 2⁵ = 1128654581 is a prime.

It is a super-2 number, since 2×1128654613² = 2547722470892359538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128654617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564327306 + 564327307.

It is an arithmetic number, because the mean of its divisors is an integer number (564327307).

Almost surely, 2^1128654613 is an apocalyptic number.

It is an amenable number.

1128654613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128654613 is an equidigital number, since it uses as much as digits as its factorization.

1128654613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 1128654613 is about 33595.4552432319. The cubic root of 1128654613 is about 1041.1669018221.

The spelling of 1128654613 in words is "one billion, one hundred twenty-eight million, six hundred fifty-four thousand, six hundred thirteen".