1125320432 has 20 divisors (see below), whose sum is σ = 2180831400. Its totient is φ = 562525248.

The previous prime is 1125320407. The next prime is 1125320447. The reversal of 1125320432 is 2340235211.

It is a junction number, because it is equal to n+sod(n) for n = 1125320398 and 1125320407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115694 + ... + 125042.

It is an arithmetic number, because the mean of its divisors is an integer number (109041570).

Almost surely, 2^1125320432 is an apocalyptic number.

It is an amenable number.

1125320432 is a deficient number, since it is larger than the sum of its proper divisors (1055510968).

1125320432 is an equidigital number, since it uses as much as digits as its factorization.

1125320432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16880 (or 16874 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1125320432 is about 33545.7960406367. The cubic root of 1125320432 is about 1040.1406466590.

Adding to 1125320432 its reverse (2340235211), we get a palindrome (3465555643).

The spelling of 1125320432 in words is "one billion, one hundred twenty-five million, three hundred twenty thousand, four hundred thirty-two".