112912901 has 2 divisors, whose sum is σ = 112912902. Its totient is φ = 112912900.

The previous prime is 112912879. The next prime is 112912903. The reversal of 112912901 is 109219211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99480676 + 13432225 = 9974^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 112912901 - 2⁶ = 112912837 is a prime.

Together with 112912903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112912903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56456450 + 56456451.

It is an arithmetic number, because the mean of its divisors is an integer number (56456451).

Almost surely, 2^112912901 is an apocalyptic number.

It is an amenable number.

112912901 is a deficient number, since it is larger than the sum of its proper divisors (1).

112912901 is an equidigital number, since it uses as much as digits as its factorization.

112912901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 26.

The square root of 112912901 is about 10626.0482306453. The cubic root of 112912901 is about 483.3345660954.

The spelling of 112912901 in words is "one hundred twelve million, nine hundred twelve thousand, nine hundred one".