1127965651 has 2 divisors, whose sum is σ = 1127965652. Its totient is φ = 1127965650.

The previous prime is 1127965649. The next prime is 1127965687. The reversal of 1127965651 is 1565697211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1127965651 - 2¹ = 1127965649 is a prime.

Together with 1127965649, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1127965598 and 1127965607.

It is not a weakly prime, because it can be changed into another prime (1127905651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563982825 + 563982826.

It is an arithmetic number, because the mean of its divisors is an integer number (563982826).

Almost surely, 2^1127965651 is an apocalyptic number.

1127965651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127965651 is an equidigital number, since it uses as much as digits as its factorization.

1127965651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 43.

The square root of 1127965651 is about 33585.1998803044. The cubic root of 1127965651 is about 1040.9550063404.

The spelling of 1127965651 in words is "one billion, one hundred twenty-seven million, nine hundred sixty-five thousand, six hundred fifty-one".