1125131330 has 16 divisors (see below), whose sum is σ = 2039808960. Its totient is φ = 446814192.

The previous prime is 1125131323. The next prime is 1125131339. The reversal of 1125131330 is 331315211.

It is not an unprimeable number, because it can be changed into a prime (1125131339) 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, 403334 + ... + 406113.

It is an arithmetic number, because the mean of its divisors is an integer number (127488060).

Almost surely, 2^1125131330 is an apocalyptic number.

1125131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125131330 is a deficient number, since it is larger than the sum of its proper divisors (914677630).

1125131330 is a wasteful number, since it uses less digits than its factorization.

1125131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809593.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1125131330 is about 33542.9773574142. The cubic root of 1125131330 is about 1040.0823806784.

Adding to 1125131330 its reverse (331315211), we get a palindrome (1456446541).

The spelling of 1125131330 in words is "one billion, one hundred twenty-five million, one hundred thirty-one thousand, three hundred thirty".