1121013562 has 16 divisors (see below), whose sum is σ = 1715492520. Its totient is φ = 549294592.

The previous prime is 1121013529. The next prime is 1121013563. The reversal of 1121013562 is 2653101211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 706443241 + 414570321 = 26579^2 + 20361^2 .

It is not an unprimeable number, because it can be changed into a prime (1121013563) 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, 7753 + ... + 47980.

Almost surely, 2^1121013562 is an apocalyptic number.

1121013562 is a deficient number, since it is larger than the sum of its proper divisors (594478958).

1121013562 is a wasteful number, since it uses less digits than its factorization.

1121013562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55937.

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

The square root of 1121013562 is about 33481.5406156885. The cubic root of 1121013562 is about 1038.8119946511.

Adding to 1121013562 its reverse (2653101211), we get a palindrome (3774114773).

The spelling of 1121013562 in words is "one billion, one hundred twenty-one million, thirteen thousand, five hundred sixty-two".