112720077 has 6 divisors (see below), whose sum is σ = 162817902. Its totient is φ = 75146712.

The previous prime is 112720067. The next prime is 112720087. The reversal of 112720077 is 770027211.

It is an interprime number because it is at equal distance from previous prime (112720067) and next prime (112720087).

It can be written as a sum of positive squares in only one way, i.e., 77898276 + 34821801 = 8826^2 + 5901^2 .

It is not a de Polignac number, because 112720077 - 2¹¹ = 112718029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112720077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112720037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6262218 + ... + 6262235.

It is an arithmetic number, because the mean of its divisors is an integer number (27136317).

Almost surely, 2^112720077 is an apocalyptic number.

It is an amenable number.

112720077 is a deficient number, since it is larger than the sum of its proper divisors (50097825).

112720077 is a wasteful number, since it uses less digits than its factorization.

112720077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524459 (or 12524456 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 112720077 is about 10616.9711782598. The cubic root of 112720077 is about 483.0592754175.

Adding to 112720077 its reverse (770027211), we get a palindrome (882747288).

The spelling of 112720077 in words is "one hundred twelve million, seven hundred twenty thousand, seventy-seven".