1130540121 has 6 divisors (see below), whose sum is σ = 1633002410. Its totient is φ = 753693408.

The previous prime is 1130540119. The next prime is 1130540129. The reversal of 1130540121 is 1210450311.

1130540121 is a `hidden beast` number, since 1 + 1 + 3 + 0 + 540 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 687016521 + 443523600 = 26211^2 + 21060^2 .

It is not a de Polignac number, because 1130540121 - 2¹ = 1130540119 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1130540094 and 1130540103.

It is not an unprimeable number, because it can be changed into a prime (1130540129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62807776 + ... + 62807793.

Almost surely, 2^1130540121 is an apocalyptic number.

It is an amenable number.

1130540121 is a deficient number, since it is larger than the sum of its proper divisors (502462289).

1130540121 is a wasteful number, since it uses less digits than its factorization.

1130540121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125615575 (or 125615572 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1130540121 is about 33623.5054835155. The cubic root of 1130540121 is about 1041.7463635180.

Adding to 1130540121 its reverse (1210450311), we get a palindrome (2340990432).

The spelling of 1130540121 in words is "one billion, one hundred thirty million, five hundred forty thousand, one hundred twenty-one".