1103987862 has 24 divisors (see below), whose sum is σ = 2418853320. Its totient is φ = 363860640.

The previous prime is 1103987839. The next prime is 1103987893. The reversal of 1103987862 is 2687893011.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 342964 + ... + 346167.

It is an arithmetic number, because the mean of its divisors is an integer number (100785555).

Almost surely, 2^1103987862 is an apocalyptic number.

1103987862 is an abundant number, since it is smaller than the sum of its proper divisors (1314865458).

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

1103987862 is a wasteful number, since it uses less digits than its factorization.

1103987862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689228 (or 689225 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1103987862 is about 33226.3127957346. The cubic root of 1103987862 is about 1033.5260627217.

The spelling of 1103987862 in words is "one billion, one hundred three million, nine hundred eighty-seven thousand, eight hundred sixty-two".