1125486644 has 24 divisors (see below), whose sum is σ = 2019568320. Its totient is φ = 548521344.

The previous prime is 1125486643. The next prime is 1125486673. The reversal of 1125486644 is 4466845211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125486643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80012 + ... + 93020.

It is an arithmetic number, because the mean of its divisors is an integer number (84148680).

Almost surely, 2^1125486644 is an apocalyptic number.

It is an amenable number.

1125486644 is a deficient number, since it is larger than the sum of its proper divisors (894081676).

1125486644 is a wasteful number, since it uses less digits than its factorization.

1125486644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13559 (or 13557 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 1125486644 is about 33548.2733385788. The cubic root of 1125486644 is about 1040.1918543983.

The spelling of 1125486644 in words is "one billion, one hundred twenty-five million, four hundred eighty-six thousand, six hundred forty-four".