1128837613 has 2 divisors, whose sum is σ = 1128837614. Its totient is φ = 1128837612.

The previous prime is 1128837583. The next prime is 1128837653. The reversal of 1128837613 is 3167388211.

1128837613 = 23757² + 23758².

It is an a-pointer prime, because the next prime (1128837653) can be obtained adding 1128837613 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 564442564 + 564395049 = 23758^2 + 23757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128837613 - 2⁵ = 1128837581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128837653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564418806 + 564418807.

It is an arithmetic number, because the mean of its divisors is an integer number (564418807).

Almost surely, 2^1128837613 is an apocalyptic number.

1128837613 is the 23758-th centered square number.

It is an amenable number.

1128837613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128837613 is an equidigital number, since it uses as much as digits as its factorization.

1128837613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 1128837613 is about 33598.1787155197. The cubic root of 1128837613 is about 1041.2231703634.

The spelling of 1128837613 in words is "one billion, one hundred twenty-eight million, eight hundred thirty-seven thousand, six hundred thirteen".