112549990 has 16 divisors (see below), whose sum is σ = 231531552. Its totient is φ = 38588544.

The previous prime is 112549919. The next prime is 112549991. The reversal of 112549990 is 99945211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112549991) 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, 803859 + ... + 803998.

It is an arithmetic number, because the mean of its divisors is an integer number (14470722).

Almost surely, 2^112549990 is an apocalyptic number.

112549990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112549990 is an abundant number, since it is smaller than the sum of its proper divisors (118981562).

112549990 is a wasteful number, since it uses less digits than its factorization.

112549990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607871.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 112549990 is about 10608.9580072691. The cubic root of 112549990 is about 482.8161851431.

It can be divided in two parts, 1125 and 49990, that added together give a palindrome (51115).

The spelling of 112549990 in words is "one hundred twelve million, five hundred forty-nine thousand, nine hundred ninety".