1121120530 has 16 divisors (see below), whose sum is σ = 2046441024. Its totient is φ = 442131760.

The previous prime is 1121120527. The next prime is 1121120543. The reversal of 1121120530 is 350211211.

It is a super-2 number, since 2×1121120530² = 2513822485574961800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788812 + ... + 790231.

It is an arithmetic number, because the mean of its divisors is an integer number (127902564).

Almost surely, 2^1121120530 is an apocalyptic number.

1121120530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121120530 is a deficient number, since it is larger than the sum of its proper divisors (925320494).

1121120530 is a wasteful number, since it uses less digits than its factorization.

1121120530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579121.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1121120530 is about 33483.1379951163. The cubic root of 1121120530 is about 1038.8450350207.

Adding to 1121120530 its reverse (350211211), we get a palindrome (1471331741).

The spelling of 1121120530 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, five hundred thirty".