112643651 has 16 divisors (see below), whose sum is σ = 118742400. Its totient is φ = 106748928.

The previous prime is 112643639. The next prime is 112643659. The reversal of 112643651 is 156346211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112643651 - 2¹⁰ = 112642627 is a prime.

It is a super-2 number, since 2×112643651² = 25377184221219602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112643659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259931 + ... + 260363.

It is an arithmetic number, because the mean of its divisors is an integer number (7421400).

Almost surely, 2^112643651 is an apocalyptic number.

112643651 is a deficient number, since it is larger than the sum of its proper divisors (6098749).

112643651 is an equidigital number, since it uses as much as digits as its factorization.

112643651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its digits is 4320, while the sum is 29.

The square root of 112643651 is about 10613.3713305434. The cubic root of 112643651 is about 482.9500767842.

Adding to 112643651 its reverse (156346211), we get a palindrome (268989862).

The spelling of 112643651 in words is "one hundred twelve million, six hundred forty-three thousand, six hundred fifty-one".