1081987358 has 8 divisors (see below), whose sum is σ = 1675335360. Its totient is φ = 523542240.

The previous prime is 1081987331. The next prime is 1081987363. The reversal of 1081987358 is 8537891801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8725643 + ... + 8725766.

It is an arithmetic number, because the mean of its divisors is an integer number (209416920).

Almost surely, 2^1081987358 is an apocalyptic number.

1081987358 is a deficient number, since it is larger than the sum of its proper divisors (593348002).

1081987358 is a wasteful number, since it uses less digits than its factorization.

1081987358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17451442.

The product of its (nonzero) digits is 483840, while the sum is 50.

The square root of 1081987358 is about 32893.5762421784. The cubic root of 1081987358 is about 1026.6145035668.

The spelling of 1081987358 in words is "one billion, eighty-one million, nine hundred eighty-seven thousand, three hundred fifty-eight".