1123271707 has 2 divisors, whose sum is σ = 1123271708. Its totient is φ = 1123271706.

The previous prime is 1123271657. The next prime is 1123271717. The reversal of 1123271707 is 7071723211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123271707 - 2¹¹ = 1123269659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123271717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561635853 + 561635854.

It is an arithmetic number, because the mean of its divisors is an integer number (561635854).

Almost surely, 2^1123271707 is an apocalyptic number.

1123271707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123271707 is an equidigital number, since it uses as much as digits as its factorization.

1123271707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 31.

The square root of 1123271707 is about 33515.2458889980. The cubic root of 1123271707 is about 1039.5090468100.

Adding to 1123271707 its reverse (7071723211), we get a palindrome (8194994918).

The spelling of 1123271707 in words is "one billion, one hundred twenty-three million, two hundred seventy-one thousand, seven hundred seven".