112987603 has 4 divisors (see below), whose sum is σ = 116041360. Its totient is φ = 109933848.

The previous prime is 112987597. The next prime is 112987607. The reversal of 112987603 is 306789211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306789211 = 1061 ⋅289151.

It is a cyclic number.

It is not a de Polignac number, because 112987603 - 2¹⁷ = 112856531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3053719 = 112987603 / (1 + 1 + 2 + 9 + 8 + 7 + 6 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112987607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526823 + ... + 1526896.

It is an arithmetic number, because the mean of its divisors is an integer number (29010340).

Almost surely, 2^112987603 is an apocalyptic number.

112987603 is a deficient number, since it is larger than the sum of its proper divisors (3053757).

112987603 is an equidigital number, since it uses as much as digits as its factorization.

112987603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053756.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 112987603 is about 10629.5626909107. The cubic root of 112987603 is about 483.4411323038.

It can be divided in two parts, 112 and 987603, that added together give a triangular number (987715 = T₁₄₀₅).

The spelling of 112987603 in words is "one hundred twelve million, nine hundred eighty-seven thousand, six hundred three".