112454891 has 2 divisors, whose sum is σ = 112454892. Its totient is φ = 112454890.

The previous prime is 112454873. The next prime is 112454893. The reversal of 112454891 is 198454211.

It is a strong prime.

It is an emirp because it is prime and its reverse (198454211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112454891 is a prime.

It is a super-2 number, since 2×112454891² = 25292205019643762, which contains 22 as substring.

Together with 112454893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112454893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56227445 + 56227446.

It is an arithmetic number, because the mean of its divisors is an integer number (56227446).

Almost surely, 2^112454891 is an apocalyptic number.

112454891 is a deficient number, since it is larger than the sum of its proper divisors (1).

112454891 is an equidigital number, since it uses as much as digits as its factorization.

112454891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 112454891 is about 10604.4750459417. The cubic root of 112454891 is about 482.6801618095.

The spelling of 112454891 in words is "one hundred twelve million, four hundred fifty-four thousand, eight hundred ninety-one".