1140530 has 16 divisors (see below), whose sum is σ = 2174040. Its totient is φ = 429312.

The previous prime is 1140493. The next prime is 1140533. The reversal of 1140530 is 350411.

It can be written as a sum of positive squares in 4 ways, for example, as 1079521 + 61009 = 1039^2 + 247^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1140533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3185 + ... + 3524.

2^1140530 is an apocalyptic number.

1140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140530 is a deficient number, since it is larger than the sum of its proper divisors (1033510).

1140530 is a wasteful number, since it uses less digits than its factorization.

1140530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6733.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1140530 is about 1067.9559916027. The cubic root of 1140530 is about 104.4805791004.

Adding to 1140530 its reverse (350411), we get a palindrome (1490941).

The spelling of 1140530 in words is "one million, one hundred forty thousand, five hundred thirty".