1087043245 has 8 divisors (see below), whose sum is σ = 1313837280. Its totient is φ = 863377680.

The previous prime is 1087043203. The next prime is 1087043249. The reversal of 1087043245 is 5423407801.

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

It is a de Polignac number, because none of the positive numbers 2^k-1087043245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1087043245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087043249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781351 + ... + 782740.

It is an arithmetic number, because the mean of its divisors is an integer number (164229660).

Almost surely, 2^1087043245 is an apocalyptic number.

It is an amenable number.

1087043245 is a deficient number, since it is larger than the sum of its proper divisors (226794035).

1087043245 is a wasteful number, since it uses less digits than its factorization.

1087043245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564235.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1087043245 is about 32970.3388669270. The cubic root of 1087043245 is about 1028.2110666579.

The spelling of 1087043245 in words is "one billion, eighty-seven million, forty-three thousand, two hundred forty-five".