1125538316 has 24 divisors (see below), whose sum is σ = 2293552800. Its totient is φ = 473271552.

The previous prime is 1125538307. The next prime is 1125538319. The reversal of 1125538316 is 6138355211.

It is a super-3 number, since 3×1125538316³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125538319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377741 + ... + 380708.

It is an arithmetic number, because the mean of its divisors is an integer number (95564700).

Almost surely, 2^1125538316 is an apocalyptic number.

It is an amenable number.

1125538316 is an abundant number, since it is smaller than the sum of its proper divisors (1168014484).

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

1125538316 is a wasteful number, since it uses less digits than its factorization.

1125538316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758513 (or 758511 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 1125538316 is about 33549.0434438897. The cubic root of 1125538316 is about 1040.2077728372.

The spelling of 1125538316 in words is "one billion, one hundred twenty-five million, five hundred thirty-eight thousand, three hundred sixteen".