1140104820 has 24 divisors (see below), whose sum is σ = 3192293664. Its totient is φ = 304027936.

The previous prime is 1140104809. The next prime is 1140104843. The reversal of 1140104820 is 284010411.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 9500814 + ... + 9500933.

It is an arithmetic number, because the mean of its divisors is an integer number (133012236).

Almost surely, 2^1140104820 is an apocalyptic number.

1140104820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140104820 is an abundant number, since it is smaller than the sum of its proper divisors (2052188844).

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

1140104820 is a wasteful number, since it uses less digits than its factorization.

1140104820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19001759 (or 19001757 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1140104820 is about 33765.4382468227. The cubic root of 1140104820 is about 1044.6759432611.

The spelling of 1140104820 in words is "one billion, one hundred forty million, one hundred four thousand, eight hundred twenty".