112120005 has 16 divisors (see below), whose sum is σ = 181920384. Its totient is φ = 58954560.

The previous prime is 112119979. The next prime is 112120031. The reversal of 112120005 is 500021211.

It is an interprime number because it is at equal distance from previous prime (112119979) and next prime (112120031).

It is not a de Polignac number, because 112120005 - 2⁶ = 112119941 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51574 + ... + 53703.

It is an arithmetic number, because the mean of its divisors is an integer number (11370024).

Almost surely, 2^112120005 is an apocalyptic number.

112120005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112120005 is a deficient number, since it is larger than the sum of its proper divisors (69800379).

112120005 is a wasteful number, since it uses less digits than its factorization.

112120005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105356.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 112120005 is about 10588.6734296606. The cubic root of 112120005 is about 482.2005515752.

Adding to 112120005 its reverse (500021211), we get a palindrome (612141216).

The spelling of 112120005 in words is "one hundred twelve million, one hundred twenty thousand, five".