112771391 has 2 divisors, whose sum is σ = 112771392. Its totient is φ = 112771390.

The previous prime is 112771367. The next prime is 112771427. The reversal of 112771391 is 193177211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112771391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112771331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56385695 + 56385696.

It is an arithmetic number, because the mean of its divisors is an integer number (56385696).

Almost surely, 2^112771391 is an apocalyptic number.

112771391 is a deficient number, since it is larger than the sum of its proper divisors (1).

112771391 is an equidigital number, since it uses as much as digits as its factorization.

112771391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646, while the sum is 32.

The square root of 112771391 is about 10619.3875058781. The cubic root of 112771391 is about 483.1325659494.

The spelling of 112771391 in words is "one hundred twelve million, seven hundred seventy-one thousand, three hundred ninety-one".