1087181942 has 16 divisors (see below), whose sum is σ = 2033171712. Its totient is φ = 423577320.

The previous prime is 1087181941. The next prime is 1087181947. The reversal of 1087181942 is 2491817801.

It is a self number, because there is not a number n which added to its sum of digits gives 1087181942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087181941) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3529658 + ... + 3529965.

It is an arithmetic number, because the mean of its divisors is an integer number (127073232).

Almost surely, 2^1087181942 is an apocalyptic number.

1087181942 is a deficient number, since it is larger than the sum of its proper divisors (945989770).

1087181942 is a wasteful number, since it uses less digits than its factorization.

1087181942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059643.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1087181942 is about 32972.4421600827. The cubic root of 1087181942 is about 1028.2547949782.

The spelling of 1087181942 in words is "one billion, eighty-seven million, one hundred eighty-one thousand, nine hundred forty-two".