1140321524 has 12 divisors (see below), whose sum is σ = 2016136164. Its totient is φ = 564282624.

The previous prime is 1140321491. The next prime is 1140321551. The reversal of 1140321524 is 4251230411.

It can be written as a sum of positive squares in 2 ways, for example, as 236236900 + 904084624 = 15370^2 + 30068^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1140321524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469099 + ... + 1469874.

It is an arithmetic number, because the mean of its divisors is an integer number (168011347).

Almost surely, 2^1140321524 is an apocalyptic number.

It is an amenable number.

1140321524 is a deficient number, since it is larger than the sum of its proper divisors (875814640).

1140321524 is a wasteful number, since it uses less digits than its factorization.

1140321524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939074 (or 2939072 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1140321524 is about 33768.6470561081. The cubic root of 1140321524 is about 1044.7421275597.

Adding to 1140321524 its reverse (4251230411), we get a palindrome (5391551935).

The spelling of 1140321524 in words is "one billion, one hundred forty million, three hundred twenty-one thousand, five hundred twenty-four".