1120166538 has 16 divisors (see below), whose sum is σ = 2243052000. Its totient is φ = 372935696.

The previous prime is 1120166497. The next prime is 1120166561. The reversal of 1120166538 is 8356610211.

It is a junction number, because it is equal to n+sod(n) for n = 1120166499 and 1120166508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107913 + ... + 117836.

It is an arithmetic number, because the mean of its divisors is an integer number (140190750).

Almost surely, 2^1120166538 is an apocalyptic number.

1120166538 is an abundant number, since it is smaller than the sum of its proper divisors (1122885462).

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

1120166538 is a wasteful number, since it uses less digits than its factorization.

1120166538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226581.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1120166538 is about 33468.8891061535. The cubic root of 1120166538 is about 1038.5502908896.

Adding to 1120166538 its reverse (8356610211), we get a palindrome (9476776749).

The spelling of 1120166538 in words is "one billion, one hundred twenty million, one hundred sixty-six thousand, five hundred thirty-eight".