1125132331 has 8 divisors (see below), whose sum is σ = 1175892480. Its totient is φ = 1074525672.

The previous prime is 1125132317. The next prime is 1125132341. The reversal of 1125132331 is 1332315211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125132331 - 2¹¹ = 1125130283 is a prime.

It is a super-2 number, since 2×1125132331² = 2531845524522987122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125132311) 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, 23251 + ... + 52828.

It is an arithmetic number, because the mean of its divisors is an integer number (146986560).

Almost surely, 2^1125132331 is an apocalyptic number.

1125132331 is a deficient number, since it is larger than the sum of its proper divisors (50760149).

1125132331 is an equidigital number, since it uses as much as digits as its factorization.

1125132331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76745.

The product of its digits is 540, while the sum is 22.

The square root of 1125132331 is about 33542.9922785669. The cubic root of 1125132331 is about 1040.0826891230.

Adding to 1125132331 its reverse (1332315211), we get a palindrome (2457447542).

The spelling of 1125132331 in words is "one billion, one hundred twenty-five million, one hundred thirty-two thousand, three hundred thirty-one".