1131022516 has 24 divisors (see below), whose sum is σ = 2224220544. Its totient is φ = 499313760.

The previous prime is 1131022489. The next prime is 1131022517. The reversal of 1131022516 is 6152201311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131022517) 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, 471640 + ... + 474031.

It is an arithmetic number, because the mean of its divisors is an integer number (92675856).

Almost surely, 2^1131022516 is an apocalyptic number.

It is an amenable number.

1131022516 is a deficient number, since it is larger than the sum of its proper divisors (1093198028).

1131022516 is a wasteful number, since it uses less digits than its factorization.

1131022516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945711 (or 945709 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1131022516 is about 33630.6781971461. The cubic root of 1131022516 is about 1041.8945115193.

Adding to 1131022516 its reverse (6152201311), we get a palindrome (7283223827).

The spelling of 1131022516 in words is "one billion, one hundred thirty-one million, twenty-two thousand, five hundred sixteen".