1129265297 has 2 divisors, whose sum is σ = 1129265298. Its totient is φ = 1129265296.

The previous prime is 1129265279. The next prime is 1129265321. The reversal of 1129265297 is 7925629211.

Together with previous prime (1129265279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129228816 + 36481 = 33604^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129265297 - 2¹⁸ = 1129003153 is a prime.

It is a super-2 number, since 2×1129265297² = 2550480222016996418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1129265227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564632648 + 564632649.

It is an arithmetic number, because the mean of its divisors is an integer number (564632649).

Almost surely, 2^1129265297 is an apocalyptic number.

It is an amenable number.

1129265297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129265297 is an equidigital number, since it uses as much as digits as its factorization.

1129265297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 1129265297 is about 33604.5428030200. The cubic root of 1129265297 is about 1041.3546502321.

The spelling of 1129265297 in words is "one billion, one hundred twenty-nine million, two hundred sixty-five thousand, two hundred ninety-seven".