1140522530 has 24 divisors (see below), whose sum is σ = 2388115548. Its totient is φ = 391036128.

The previous prime is 1140522511. The next prime is 1140522533. The reversal of 1140522530 is 352250411.

It can be written as a sum of positive squares in 2 ways, for example, as 1139805121 + 717409 = 33761^2 + 847^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1140522496 and 1140522505.

It is not an unprimeable number, because it can be changed into a prime (1140522533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1163309 + ... + 1164288.

Almost surely, 2^1140522530 is an apocalyptic number.

1140522530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140522530 is an abundant number, since it is smaller than the sum of its proper divisors (1247593018).

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

1140522530 is a wasteful number, since it uses less digits than its factorization.

1140522530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327618 (or 2327611 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1140522530 is about 33771.6231472519. The cubic root of 1140522530 is about 1044.8035099839.

Adding to 1140522530 its reverse (352250411), we get a palindrome (1492772941).

The spelling of 1140522530 in words is "one billion, one hundred forty million, five hundred twenty-two thousand, five hundred thirty".