1087273170 has 24 divisors (see below), whose sum is σ = 2826910476. Its totient is φ = 289939488.

The previous prime is 1087273153. The next prime is 1087273171. The reversal of 1087273170 is 713727801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1065173769 + 22099401 = 32637^2 + 4701^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1087273171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6040317 + ... + 6040496.

Almost surely, 2^1087273170 is an apocalyptic number.

1087273170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1087273170 is an abundant number, since it is smaller than the sum of its proper divisors (1739637306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1087273170 is a wasteful number, since it uses less digits than its factorization.

1087273170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080826 (or 12080823 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 1087273170 is about 32973.8255287432. The cubic root of 1087273170 is about 1028.2835552685.

The spelling of 1087273170 in words is "one billion, eighty-seven million, two hundred seventy-three thousand, one hundred seventy".