1121055562 has 24 divisors (see below), whose sum is σ = 1887697728. Its totient is φ = 498723720.

The previous prime is 1121055557. The next prime is 1121055569. The reversal of 1121055562 is 2655501211.

It is a super-2 number, since 2×1121055562² = 2513531146182271688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121055562.

It is not an unprimeable number, because it can be changed into a prime (1121055569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37908 + ... + 60655.

It is an arithmetic number, because the mean of its divisors is an integer number (78654072).

Almost surely, 2^1121055562 is an apocalyptic number.

1121055562 is a deficient number, since it is larger than the sum of its proper divisors (766642166).

1121055562 is a wasteful number, since it uses less digits than its factorization.

1121055562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98634 (or 98623 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 1121055562 is about 33482.1678210955. The cubic root of 1121055562 is about 1038.8249678985.

Adding to 1121055562 its reverse (2655501211), we get a palindrome (3776556773).

The spelling of 1121055562 in words is "one billion, one hundred twenty-one million, fifty-five thousand, five hundred sixty-two".