1131530026 has 32 divisors (see below), whose sum is σ = 1882738368. Its totient is φ = 505751040.

The previous prime is 1131530017. The next prime is 1131530077. The reversal of 1131530026 is 6200351311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1131529979 and 1131530006.

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, 346216 + ... + 349468.

It is an arithmetic number, because the mean of its divisors is an integer number (58835574).

Almost surely, 2^1131530026 is an apocalyptic number.

1131530026 is a deficient number, since it is larger than the sum of its proper divisors (751208342).

1131530026 is a wasteful number, since it uses less digits than its factorization.

1131530026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1131530026 is about 33638.2226938345. Note that the first 3 decimals coincide. The cubic root of 1131530026 is about 1042.0503271068.

Adding to 1131530026 its reverse (6200351311), we get a palindrome (7331881337).

The spelling of 1131530026 in words is "one billion, one hundred thirty-one million, five hundred thirty thousand, twenty-six".