1125267025 has 9 divisors (see below), whose sum is σ = 1395539121. Its totient is φ = 900079440.

The previous prime is 1125267023. The next prime is 1125267037. The reversal of 1125267025 is 5207625211.

The square root of 1125267025 is 33545.

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 603729 + 1124663296 = 777^2 + 33536^2 .

It is not a de Polignac number, because 1125267025 - 2¹ = 1125267023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125267023) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 164371 + ... + 171079.

Almost surely, 2^1125267025 is an apocalyptic number.

1125267025 is the 33545-th square number.

1125267025 is the 16773-rd centered octagonal number.

It is an amenable number.

1125267025 is a deficient number, since it is larger than the sum of its proper divisors (270272096).

1125267025 is an frugal number, since it uses more digits than its factorization.

1125267025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13428 (or 6714 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The cubic root of 1125267025 is about 1040.1241915917.

The spelling of 1125267025 in words is "one billion, one hundred twenty-five million, two hundred sixty-seven thousand, twenty-five".