112921547 has 2 divisors, whose sum is σ = 112921548. Its totient is φ = 112921546.

The previous prime is 112921519. The next prime is 112921577. The reversal of 112921547 is 745129211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112921547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112921507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56460773 + 56460774.

It is an arithmetic number, because the mean of its divisors is an integer number (56460774).

Almost surely, 2^112921547 is an apocalyptic number.

112921547 is a deficient number, since it is larger than the sum of its proper divisors (1).

112921547 is an equidigital number, since it uses as much as digits as its factorization.

112921547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 32.

The square root of 112921547 is about 10626.4550533092. The cubic root of 112921547 is about 483.3469024596.

The spelling of 112921547 in words is "one hundred twelve million, nine hundred twenty-one thousand, five hundred forty-seven".