1129296025 has 81 divisors (see below), whose sum is σ = 1702926813. Its totient is φ = 741998400.

The previous prime is 1129296023. The next prime is 1129296029. The reversal of 1129296025 is 5206929211.

The square root of 1129296025 is 33605.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 291077721 + 838218304 = 17061^2 + 28952^2 .

It is not a de Polignac number, because 1129296025 - 2¹ = 1129296023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1129296023) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 24027552 + ... + 24027598.

Almost surely, 2^1129296025 is an apocalyptic number.

1129296025 is the 33605-th square number.

1129296025 is the 16803-rd centered octagonal number.

It is an amenable number.

1129296025 is a deficient number, since it is larger than the sum of its proper divisors (573630788).

1129296025 is a wasteful number, since it uses less digits than its factorization.

1129296025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The cubic root of 1129296025 is about 1041.3640954456.

The spelling of 1129296025 in words is "one billion, one hundred twenty-nine million, two hundred ninety-six thousand, twenty-five".