1140120500 has 96 divisors (see below), whose sum is σ = 2620144800. Its totient is φ = 432768000.

The previous prime is 1140120491. The next prime is 1140120503. The reversal of 1140120500 is 50210411.

It can be written as a sum of positive squares in 16 ways, for example, as 923795236 + 216325264 = 30394^2 + 14708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140120503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 883856 + ... + 885144.

It is an arithmetic number, because the mean of its divisors is an integer number (27293175).

Almost surely, 2^1140120500 is an apocalyptic number.

1140120500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140120500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310072400).

1140120500 is an abundant number, since it is smaller than the sum of its proper divisors (1480024300).

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

1140120500 is a wasteful number, since it uses less digits than its factorization.

1140120500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1140120500 is about 33765.6704361101. The cubic root of 1140120500 is about 1044.6807324241.

Adding to 1140120500 its reverse (50210411), we get a palindrome (1190330911).

The spelling of 1140120500 in words is "one billion, one hundred forty million, one hundred twenty thousand, five hundred".