1903104912 has 20 divisors (see below), whose sum is σ = 4916354480. Its totient is φ = 634368288.

The previous prime is 1903104881. The next prime is 1903104919. The reversal of 1903104912 is 2194013091.

It is a self number, because there is not a number n which added to its sum of digits gives 1903104912.

It is not an unprimeable number, because it can be changed into a prime (1903104919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19823962 + ... + 19824057.

It is an arithmetic number, because the mean of its divisors is an integer number (245817724).

Almost surely, 2^1903104912 is an apocalyptic number.

1903104912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1903104912 is an abundant number, since it is smaller than the sum of its proper divisors (3013249568).

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

1903104912 is a wasteful number, since it uses less digits than its factorization.

1903104912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39648030 (or 39648024 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1903104912 is about 43624.5906800282. The cubic root of 1903104912 is about 1239.2366338660.

The spelling of 1903104912 in words is "one billion, nine hundred three million, one hundred four thousand, nine hundred twelve".