1126312669 has 2 divisors, whose sum is σ = 1126312670. Its totient is φ = 1126312668.

The previous prime is 1126312661. The next prime is 1126312703. The reversal of 1126312669 is 9662136211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 737828569 + 388484100 = 27163^2 + 19710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126312669 - 2³ = 1126312661 is a prime.

It is a super-2 number, since 2×1126312669² = 2537160456699807122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126312661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563156334 + 563156335.

It is an arithmetic number, because the mean of its divisors is an integer number (563156335).

Almost surely, 2^1126312669 is an apocalyptic number.

It is an amenable number.

1126312669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126312669 is an equidigital number, since it uses as much as digits as its factorization.

1126312669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 1126312669 is about 33560.5820718294. The cubic root of 1126312669 is about 1040.4462671196.

It can be divided in two parts, 11263 and 12669, that added together give a palindrome (23932).

The spelling of 1126312669 in words is "one billion, one hundred twenty-six million, three hundred twelve thousand, six hundred sixty-nine".