1155122325 has 54 divisors (see below), whose sum is σ = 2406763554. Its totient is φ = 528050880.

The previous prime is 1155122299. The next prime is 1155122329. The reversal of 1155122325 is 5232215511.

1155122325 is a `hidden beast` number, since 115 + 512 + 2 + 32 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 306740196 + 848382129 = 17514^2 + 29127^2 .

It is not a de Polignac number, because 1155122325 - 2⁹ = 1155121813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155122329) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 41362 + ... + 63411.

Almost surely, 2^1155122325 is an apocalyptic number.

1155122325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155122325 is an abundant number, since it is smaller than the sum of its proper divisors (1251641229).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155122325 is a wasteful number, since it uses less digits than its factorization.

1155122325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104803 (or 104788 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1155122325 is about 33987.0905639185. The cubic root of 1155122325 is about 1049.2427873971.

Adding to 1155122325 its reverse (5232215511), we get a palindrome (6387337836).

The spelling of 1155122325 in words is "one billion, one hundred fifty-five million, one hundred twenty-two thousand, three hundred twenty-five".