1121366562 has 16 divisors (see below), whose sum is σ = 2264508480. Its totient is φ = 370159632.

The previous prime is 1121366549. The next prime is 1121366569. The reversal of 1121366562 is 2656631211.

It is not an unprimeable number, because it can be changed into a prime (1121366569) by changing a digit.

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, 906637 + ... + 907872.

It is an arithmetic number, because the mean of its divisors is an integer number (141531780).

Almost surely, 2^1121366562 is an apocalyptic number.

1121366562 is an abundant number, since it is smaller than the sum of its proper divisors (1143141918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121366562 is a wasteful number, since it uses less digits than its factorization.

1121366562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814617.

The product of its digits is 12960, while the sum is 33.

The square root of 1121366562 is about 33486.8117622446. The cubic root of 1121366562 is about 1038.9210216253.

Adding to 1121366562 its reverse (2656631211), we get a palindrome (3777997773).

The spelling of 1121366562 in words is "one billion, one hundred twenty-one million, three hundred sixty-six thousand, five hundred sixty-two".