1089687034 has 4 divisors (see below), whose sum is σ = 1634530554. Its totient is φ = 544843516.

The previous prime is 1089687013. The next prime is 1089687073. The reversal of 1089687034 is 4307869801.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1012194225 + 77492809 = 31815^2 + 8803^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 272421757 + ... + 272421760.

Almost surely, 2^1089687034 is an apocalyptic number.

1089687034 is a deficient number, since it is larger than the sum of its proper divisors (544843520).

1089687034 is an equidigital number, since it uses as much as digits as its factorization.

1089687034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544843519.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1089687034 is about 33010.4079647617. The cubic root of 1089687034 is about 1029.0439597114.

The spelling of 1089687034 in words is "one billion, eighty-nine million, six hundred eighty-seven thousand, thirty-four".