1125103646 has 16 divisors (see below), whose sum is σ = 1761678720. Its totient is φ = 538285440.

The previous prime is 1125103631. The next prime is 1125103657. The reversal of 1125103646 is 6463015211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96431 + ... + 107466.

It is an arithmetic number, because the mean of its divisors is an integer number (110104920).

Almost surely, 2^1125103646 is an apocalyptic number.

1125103646 is a deficient number, since it is larger than the sum of its proper divisors (636575074).

1125103646 is a wasteful number, since it uses less digits than its factorization.

1125103646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204019.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1125103646 is about 33542.5646902559. The cubic root of 1125103646 is about 1040.0738501552.

Adding to 1125103646 its reverse (6463015211), we get a palindrome (7588118857).

The spelling of 1125103646 in words is "one billion, one hundred twenty-five million, one hundred three thousand, six hundred forty-six".