1087110203 has 24 divisors (see below), whose sum is σ = 1234729440. Its totient is φ = 954567680.

The previous prime is 1087110163. The next prime is 1087110239. The reversal of 1087110203 is 3020117801.

It is a happy number.

It is not a de Polignac number, because 1087110203 - 2³⁰ = 13368379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1087110253) 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 23 ways as a sum of consecutive naturals, for example, 270533 + ... + 274521.

It is an arithmetic number, because the mean of its divisors is an integer number (51447060).

Almost surely, 2^1087110203 is an apocalyptic number.

1087110203 is a deficient number, since it is larger than the sum of its proper divisors (147619237).

1087110203 is a wasteful number, since it uses less digits than its factorization.

1087110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1087110203 is about 32971.3542791315. The cubic root of 1087110203 is about 1028.2321776068.

The spelling of 1087110203 in words is "one billion, eighty-seven million, one hundred ten thousand, two hundred three".