1140312020 has 48 divisors (see below), whose sum is σ = 2419200000. Its totient is φ = 451476480.

The previous prime is 1140312007. The next prime is 1140312031. The reversal of 1140312020 is 202130411.

It is a junction number, because it is equal to n+sod(n) for n = 1140311986 and 1140312004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912356 + ... + 913604.

It is an arithmetic number, because the mean of its divisors is an integer number (50400000).

Almost surely, 2^1140312020 is an apocalyptic number.

1140312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140312020 is an abundant number, since it is smaller than the sum of its proper divisors (1278887980).

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

1140312020 is a wasteful number, since it uses less digits than its factorization.

1140312020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1140312020 is about 33768.5063335647. The cubic root of 1140312020 is about 1044.7392250869.

Adding to 1140312020 its reverse (202130411), we get a palindrome (1342442431).

The spelling of 1140312020 in words is "one billion, one hundred forty million, three hundred twelve thousand, twenty".