1087231842 has 64 divisors (see below), whose sum is σ = 2450160000. Its totient is φ = 357338304.

The previous prime is 1087231841. The next prime is 1087231897. The reversal of 1087231842 is 2481327801.

It is a junction number, because it is equal to n+sod(n) for n = 1087231797 and 1087231806.

It is not an unprimeable number, because it can be changed into a prime (1087231841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1311084 + ... + 1311912.

It is an arithmetic number, because the mean of its divisors is an integer number (38283750).

Almost surely, 2^1087231842 is an apocalyptic number.

1087231842 is an abundant number, since it is smaller than the sum of its proper divisors (1362928158).

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

1087231842 is a wasteful number, since it uses less digits than its factorization.

1087231842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 1087231842 is about 32973.1988439096. The cubic root of 1087231842 is about 1028.2705265153.

The spelling of 1087231842 in words is "one billion, eighty-seven million, two hundred thirty-one thousand, eight hundred forty-two".