1140020530 has 32 divisors (see below), whose sum is σ = 2335920768. Its totient is φ = 396528000.

The previous prime is 1140020509. The next prime is 1140020543. The reversal of 1140020530 is 350200411.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222771 + ... + 227830.

It is an arithmetic number, because the mean of its divisors is an integer number (72997524).

Almost surely, 2^1140020530 is an apocalyptic number.

1140020530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140020530 is an abundant number, since it is smaller than the sum of its proper divisors (1195900238).

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

1140020530 is a wasteful number, since it uses less digits than its factorization.

1140020530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450642.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1140020530 is about 33764.1900539610. The cubic root of 1140020530 is about 1044.6501977028.

Adding to 1140020530 its reverse (350200411), we get a palindrome (1490220941).

The spelling of 1140020530 in words is "one billion, one hundred forty million, twenty thousand, five hundred thirty".