1086981542 has 16 divisors (see below), whose sum is σ = 1651871232. Its totient is φ = 536396040.

The previous prime is 1086981527. The next prime is 1086981559. The reversal of 1086981542 is 2451896801.

It is a junction number, because it is equal to n+sod(n) for n = 1086981493 and 1086981502.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 48623 + ... + 67365.

It is an arithmetic number, because the mean of its divisors is an integer number (103241952).

Almost surely, 2^1086981542 is an apocalyptic number.

1086981542 is a deficient number, since it is larger than the sum of its proper divisors (564889690).

1086981542 is a wasteful number, since it uses less digits than its factorization.

1086981542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19123.

The product of its (nonzero) digits is 138240, while the sum is 44.

The square root of 1086981542 is about 32969.4031186493. The cubic root of 1086981542 is about 1028.1916117717.

The spelling of 1086981542 in words is "one billion, eighty-six million, nine hundred eighty-one thousand, five hundred forty-two".