1101604287 has 16 divisors (see below), whose sum is σ = 1766984960. Its totient is φ = 596356992.

The previous prime is 1101604247. The next prime is 1101604289. The reversal of 1101604287 is 7824061011.

It is not a de Polignac number, because 1101604287 - 2³⁰ = 27862463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101604289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380058 + ... + 1380855.

It is an arithmetic number, because the mean of its divisors is an integer number (110436560).

Almost surely, 2^1101604287 is an apocalyptic number.

1101604287 is a deficient number, since it is larger than the sum of its proper divisors (665380673).

1101604287 is a wasteful number, since it uses less digits than its factorization.

1101604287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760942.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1101604287 is about 33190.4246281966. The cubic root of 1101604287 is about 1032.7817121610.

Adding to 1101604287 its reverse (7824061011), we get a palindrome (8925665298).

The spelling of 1101604287 in words is "one billion, one hundred one million, six hundred four thousand, two hundred eighty-seven".