112121573 has 4 divisors (see below), whose sum is σ = 116996448. Its totient is φ = 107246700.

The previous prime is 112121557. The next prime is 112121591. The reversal of 112121573 is 375121211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112121573 - 2⁴ = 112121557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4874851 = 112121573 / (1 + 1 + 2 + 1 + 2 + 1 + 5 + 7 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112121533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2437403 + ... + 2437448.

It is an arithmetic number, because the mean of its divisors is an integer number (29249112).

Almost surely, 2^112121573 is an apocalyptic number.

It is an amenable number.

112121573 is a deficient number, since it is larger than the sum of its proper divisors (4874875).

112121573 is an equidigital number, since it uses as much as digits as its factorization.

112121573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874874.

The product of its digits is 420, while the sum is 23.

The square root of 112121573 is about 10588.7474707824. The cubic root of 112121573 is about 482.2027994254.

Adding to 112121573 its reverse (375121211), we get a palindrome (487242784).

The spelling of 112121573 in words is "one hundred twelve million, one hundred twenty-one thousand, five hundred seventy-three".