112661019 has 12 divisors (see below), whose sum is σ = 162827496. Its totient is φ = 75063552.

The previous prime is 112660997. The next prime is 112661053. The reversal of 112661019 is 910166211.

112661019 is a `hidden beast` number, since 11 + 26 + 610 + 19 = 666.

It is not a de Polignac number, because 112661019 - 2⁸ = 112660763 is a prime.

It is a super-2 number, since 2×112661019² = 25385010404236722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112660983 and 112661001.

It is not an unprimeable number, because it can be changed into a prime (112661069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22504 + ... + 27050.

It is an arithmetic number, because the mean of its divisors is an integer number (13568958).

Almost surely, 2^112661019 is an apocalyptic number.

112661019 is a deficient number, since it is larger than the sum of its proper divisors (50166477).

112661019 is a wasteful number, since it uses less digits than its factorization.

112661019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306 (or 7303 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 112661019 is about 10614.1895121578. The cubic root of 112661019 is about 482.9748967831.

The spelling of 112661019 in words is "one hundred twelve million, six hundred sixty-one thousand, nineteen".