112149681 has 32 divisors (see below), whose sum is σ = 176889600. Its totient is φ = 63165312.

The previous prime is 112149671. The next prime is 112149691. The reversal of 112149681 is 186941211.

It is an interprime number because it is at equal distance from previous prime (112149671) and next prime (112149691).

It is not a de Polignac number, because 112149681 - 2⁵ = 112149649 is a prime.

It is a super-2 number, since 2×112149681² = 25155101896803522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112149671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74371 + ... + 75863.

It is an arithmetic number, because the mean of its divisors is an integer number (5527800).

Almost surely, 2^112149681 is an apocalyptic number.

It is an amenable number.

112149681 is a deficient number, since it is larger than the sum of its proper divisors (64739919).

112149681 is an equidigital number, since it uses as much as digits as its factorization.

112149681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1576 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 112149681 is about 10590.0746456293. The cubic root of 112149681 is about 482.2430908801.

The spelling of 112149681 in words is "one hundred twelve million, one hundred forty-nine thousand, six hundred eighty-one".