112821207 has 8 divisors (see below), whose sum is σ = 153926784. Its totient is φ = 73464888.

The previous prime is 112821199. The next prime is 112821209. The reversal of 112821207 is 702128211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112821207 - 2³ = 112821199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112821209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437163 + ... + 437420.

It is an arithmetic number, because the mean of its divisors is an integer number (19240848).

Almost surely, 2^112821207 is an apocalyptic number.

112821207 is a deficient number, since it is larger than the sum of its proper divisors (41105577).

112821207 is an equidigital number, since it uses as much as digits as its factorization.

112821207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874629.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 112821207 is about 10621.7327682445. The cubic root of 112821207 is about 483.2036956590.

Adding to 112821207 its reverse (702128211), we get a palindrome (814949418).

The spelling of 112821207 in words is "one hundred twelve million, eight hundred twenty-one thousand, two hundred seven".