112121580 has 24 divisors (see below), whose sum is σ = 313940592. Its totient is φ = 29899072.

The previous prime is 112121557. The next prime is 112121591. The reversal of 112121580 is 85121211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934287 + ... + 934406.

It is an arithmetic number, because the mean of its divisors is an integer number (13080858).

Almost surely, 2^112121580 is an apocalyptic number.

112121580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121580 is an abundant number, since it is smaller than the sum of its proper divisors (201819012).

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

112121580 is a wasteful number, since it uses less digits than its factorization.

112121580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868705 (or 1868703 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 112121580 is about 10588.7478013219. The cubic root of 112121580 is about 482.2028094604.

Adding to 112121580 its reverse (85121211), we get a palindrome (197242791).

The spelling of 112121580 in words is "one hundred twelve million, one hundred twenty-one thousand, five hundred eighty".