1087201672 has 16 divisors (see below), whose sum is σ = 2041228800. Its totient is φ = 542874000.

The previous prime is 1087201669. The next prime is 1087201681. The reversal of 1087201672 is 2761027801.

It is a happy 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, 84472 + ... + 96487.

It is an arithmetic number, because the mean of its divisors is an integer number (127576800).

Almost surely, 2^1087201672 is an apocalyptic number.

It is an amenable number.

1087201672 is a deficient number, since it is larger than the sum of its proper divisors (954027128).

1087201672 is a wasteful number, since it uses less digits than its factorization.

1087201672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181716 (or 181712 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1087201672 is about 32972.7413479680. The cubic root of 1087201672 is about 1028.2610151405.

The spelling of 1087201672 in words is "one billion, eighty-seven million, two hundred one thousand, six hundred seventy-two".