1125691588 has 12 divisors (see below), whose sum is σ = 2251383232. Its totient is φ = 482439240.

The previous prime is 1125691517. The next prime is 1125691597. The reversal of 1125691588 is 8851965211.

It is a happy number.

1125691588 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20101608 + ... + 20101663.

Almost surely, 2^1125691588 is an apocalyptic number.

It is an amenable number.

1125691588 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1125691588 is a wasteful number, since it uses less digits than its factorization.

1125691588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40203282 (or 40203280 counting only the distinct ones).

The product of its digits is 172800, while the sum is 46.

The square root of 1125691588 is about 33551.3276637453. The cubic root of 1125691588 is about 1040.2549880191.

The spelling of 1125691588 in words is "one billion, one hundred twenty-five million, six hundred ninety-one thousand, five hundred eighty-eight".