1125412432 has 20 divisors (see below), whose sum is σ = 2182032340. Its totient is φ = 562307328.

The previous prime is 1125412423. The next prime is 1125412451. The reversal of 1125412432 is 2342145211.

It can be written as a sum of positive squares in 2 ways, for example, as 1115827216 + 9585216 = 33404^2 + 3096^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1125412397 and 1125412406.

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, 957 + ... + 47452.

It is an arithmetic number, because the mean of its divisors is an integer number (109101617).

Almost surely, 2^1125412432 is an apocalyptic number.

It is an amenable number.

1125412432 is a deficient number, since it is larger than the sum of its proper divisors (1056619908).

1125412432 is a wasteful number, since it uses less digits than its factorization.

1125412432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49870 (or 49864 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1125412432 is about 33547.1672723644. The cubic root of 1125412432 is about 1040.1689912765.

Adding to 1125412432 its reverse (2342145211), we get a palindrome (3467557643).

The spelling of 1125412432 in words is "one billion, one hundred twenty-five million, four hundred twelve thousand, four hundred thirty-two".