1128837653 has 2 divisors, whose sum is σ = 1128837654. Its totient is φ = 1128837652.

The previous prime is 1128837613. The next prime is 1128837659. The reversal of 1128837653 is 3567388211.

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., 564632644 + 564205009 = 23762^2 + 23753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128837653 - 2⁸ = 1128837397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128837659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564418826 + 564418827.

It is an arithmetic number, because the mean of its divisors is an integer number (564418827).

Almost surely, 2^1128837653 is an apocalyptic number.

It is an amenable number.

1128837653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128837653 is an equidigital number, since it uses as much as digits as its factorization.

1128837653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 1128837653 is about 33598.1793107900. The cubic root of 1128837653 is about 1041.2231826619.

The spelling of 1128837653 in words is "one billion, one hundred twenty-eight million, eight hundred thirty-seven thousand, six hundred fifty-three".