1125123532 has 48 divisors (see below), whose sum is σ = 2236407040. Its totient is φ = 490992192.

The previous prime is 1125123479. The next prime is 1125123533. The reversal of 1125123532 is 2353215211.

It is a junction number, because it is equal to n+sod(n) for n = 1125123497 and 1125123506.

It is not an unprimeable number, because it can be changed into a prime (1125123533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776833 + ... + 778279.

Almost surely, 2^1125123532 is an apocalyptic number.

It is an amenable number.

1125123532 is a deficient number, since it is larger than the sum of its proper divisors (1111283508).

1125123532 is a wasteful number, since it uses less digits than its factorization.

1125123532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2268 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1125123532 is about 33542.8611182767. The cubic root of 1125123532 is about 1040.0799778238.

Adding to 1125123532 its reverse (2353215211), we get a palindrome (3478338743).

The spelling of 1125123532 in words is "one billion, one hundred twenty-five million, one hundred twenty-three thousand, five hundred thirty-two".