112120001 has 16 divisors (see below), whose sum is σ = 130826880. Its totient is φ = 94099200.

The previous prime is 112119979. The next prime is 112120031. The reversal of 112120001 is 100021211.

It is a cyclic number.

It is not a de Polignac number, because 112120001 - 2⁶ = 112119937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112120031) 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 15 ways as a sum of consecutive naturals, for example, 165275 + ... + 165951.

It is an arithmetic number, because the mean of its divisors is an integer number (8176680).

Almost surely, 2^112120001 is an apocalyptic number.

It is an amenable number.

112120001 is a deficient number, since it is larger than the sum of its proper divisors (18706879).

112120001 is an equidigital number, since it uses as much as digits as its factorization.

112120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 112120001 is about 10588.6732407795. The cubic root of 112120001 is about 482.2005458409.

Adding to 112120001 its reverse (100021211), we get a palindrome (212141212).

The spelling of 112120001 in words is "one hundred twelve million, one hundred twenty thousand, one".