1087175428 has 12 divisors (see below), whose sum is σ = 1933746892. Its totient is φ = 534676320.

The previous prime is 1087175399. The next prime is 1087175443. The reversal of 1087175428 is 8245717801.

It can be written as a sum of positive squares in 2 ways, for example, as 361304064 + 725871364 = 19008^2 + 26942^2 .

It is a super-2 number, since 2×1087175428² = 2363900822493966368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2227575 + ... + 2228062.

Almost surely, 2^1087175428 is an apocalyptic number.

It is an amenable number.

1087175428 is a deficient number, since it is larger than the sum of its proper divisors (846571464).

1087175428 is a wasteful number, since it uses less digits than its factorization.

1087175428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455702 (or 4455700 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 1087175428 is about 32972.3433804757. The cubic root of 1087175428 is about 1028.2527413308.

The spelling of 1087175428 in words is "one billion, eighty-seven million, one hundred seventy-five thousand, four hundred twenty-eight".