1087268625 has 48 divisors (see below), whose sum is σ = 2001782016. Its totient is φ = 567511200.

The previous prime is 1087268617. The next prime is 1087268639. The reversal of 1087268625 is 5268627801.

1087268625 is a `hidden beast` number, since 10 + 8 + 7 + 2 + 6 + 8 + 625 = 666.

It is not a de Polignac number, because 1087268625 - 2³ = 1087268617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42594 + ... + 63156.

It is an arithmetic number, because the mean of its divisors is an integer number (41703792).

Almost surely, 2^1087268625 is an apocalyptic number.

1087268625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1087268625 is a deficient number, since it is larger than the sum of its proper divisors (914513391).

1087268625 is a wasteful number, since it uses less digits than its factorization.

1087268625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20631 (or 20618 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1087268625 is about 32973.7566103712. The cubic root of 1087268625 is about 1028.2821224623.

It can be divided in two parts, 10872 and 68625, that added together give a palindrome (79497).

The spelling of 1087268625 in words is "one billion, eighty-seven million, two hundred sixty-eight thousand, six hundred twenty-five".