1089174542 has 8 divisors (see below), whose sum is σ = 1634320632. Its totient is φ = 544401000.

The previous prime is 1089174533. The next prime is 1089174551. The reversal of 1089174542 is 2454719801.

It is an interprime number because it is at equal distance from previous prime (1089174533) and next prime (1089174551).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1089174542.

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, 85709 + ... + 97592.

It is an arithmetic number, because the mean of its divisors is an integer number (204290079).

Almost surely, 2^1089174542 is an apocalyptic number.

1089174542 is a deficient number, since it is larger than the sum of its proper divisors (545146090).

1089174542 is a wasteful number, since it uses less digits than its factorization.

1089174542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186274.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1089174542 is about 33002.6444697997. The cubic root of 1089174542 is about 1028.8826107861.

The spelling of 1089174542 in words is "one billion, eighty-nine million, one hundred seventy-four thousand, five hundred forty-two".