112149691 has 2 divisors, whose sum is σ = 112149692. Its totient is φ = 112149690.

The previous prime is 112149671. The next prime is 112149727. The reversal of 112149691 is 196941211.

It is a weak prime.

It is an emirp because it is prime and its reverse (196941211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112149691 - 2⁹ = 112149179 is a prime.

It is not a weakly prime, because it can be changed into another prime (112149671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56074845 + 56074846.

It is an arithmetic number, because the mean of its divisors is an integer number (56074846).

Almost surely, 2^112149691 is an apocalyptic number.

112149691 is a deficient number, since it is larger than the sum of its proper divisors (1).

112149691 is an equidigital number, since it uses as much as digits as its factorization.

112149691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 34.

The square root of 112149691 is about 10590.0751177695. The cubic root of 112149691 is about 482.2431052134.

The spelling of 112149691 in words is "one hundred twelve million, one hundred forty-nine thousand, six hundred ninety-one".