1125408684 has 48 divisors (see below), whose sum is σ = 2859494400. Its totient is φ = 343135296.

The previous prime is 1125408677. The next prime is 1125408689. The reversal of 1125408684 is 4868045211.

It is a super-2 number, since 2×1125408684² = 2533089412045223712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125408689) 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, 78492 + ... + 91715.

It is an arithmetic number, because the mean of its divisors is an integer number (59572800).

Almost surely, 2^1125408684 is an apocalyptic number.

It is an amenable number.

1125408684 is an abundant number, since it is smaller than the sum of its proper divisors (1734085716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125408684 is a wasteful number, since it uses less digits than its factorization.

1125408684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170262 (or 170260 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 1125408684 is about 33547.1114106714. Note that the first 3 decimals coincide. The cubic root of 1125408684 is about 1040.1678365716.

The spelling of 1125408684 in words is "one billion, one hundred twenty-five million, four hundred eight thousand, six hundred eighty-four".