1088631725 has 12 divisors (see below), whose sum is σ = 1396452660. Its totient is φ = 840873600.

The previous prime is 1088631721. The next prime is 1088631727. The reversal of 1088631725 is 5271368801.

It can be written as a sum of positive squares in 6 ways, for example, as 96255721 + 992376004 = 9811^2 + 31502^2 .

It is not a de Polignac number, because 1088631725 - 2² = 1088631721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088631721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 750056 + ... + 751505.

It is an arithmetic number, because the mean of its divisors is an integer number (116371055).

Almost surely, 2^1088631725 is an apocalyptic number.

It is an amenable number.

1088631725 is a deficient number, since it is larger than the sum of its proper divisors (307820935).

1088631725 is a wasteful number, since it uses less digits than its factorization.

1088631725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501600 (or 1501595 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1088631725 is about 32994.4196039270. The cubic root of 1088631725 is about 1028.7116593740.

The spelling of 1088631725 in words is "one billion, eighty-eight million, six hundred thirty-one thousand, seven hundred twenty-five".