112722761 has 4 divisors (see below), whose sum is σ = 112746000. Its totient is φ = 112699524.

The previous prime is 112722751. The next prime is 112722773. The reversal of 112722761 is 167227211.

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, and also an emirpimes, since its reverse is a distinct semiprime: 167227211 = 6079 ⋅27509.

It is a cyclic number.

It is not a de Polignac number, because 112722761 - 2¹⁸ = 112460617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112722751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271 + ... + 15068.

It is an arithmetic number, because the mean of its divisors is an integer number (28186500).

Almost surely, 2^112722761 is an apocalyptic number.

It is an amenable number.

112722761 is a deficient number, since it is larger than the sum of its proper divisors (23239).

112722761 is an equidigital number, since it uses as much as digits as its factorization.

112722761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23238.

The product of its digits is 2352, while the sum is 29.

The square root of 112722761 is about 10617.0975789055. The cubic root of 112722761 is about 483.0631094603.

Adding to 112722761 its reverse (167227211), we get a palindrome (279949972).

The spelling of 112722761 in words is "one hundred twelve million, seven hundred twenty-two thousand, seven hundred sixty-one".