1087370705 has 4 divisors (see below), whose sum is σ = 1304844852. Its totient is φ = 869896560.

The previous prime is 1087370699. The next prime is 1087370707. The reversal of 1087370705 is 5070737801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 303874624 + 783496081 = 17432^2 + 27991^2 .

It is not a de Polignac number, because 1087370705 - 2¹⁴ = 1087354321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087370707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108737066 + ... + 108737075.

It is an arithmetic number, because the mean of its divisors is an integer number (326211213).

Almost surely, 2^1087370705 is an apocalyptic number.

It is an amenable number.

1087370705 is a deficient number, since it is larger than the sum of its proper divisors (217474147).

1087370705 is an equidigital number, since it uses as much as digits as its factorization.

1087370705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217474146.

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 1087370705 is about 32975.3044716800. The cubic root of 1087370705 is about 1028.3143021070.

The spelling of 1087370705 in words is "one billion, eighty-seven million, three hundred seventy thousand, seven hundred five".