113861003 has 4 divisors (see below), whose sum is σ = 113937288. Its totient is φ = 113784720.

The previous prime is 113860997. The next prime is 113861029. The reversal of 113861003 is 300168311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113861003 - 2⁴ = 113860987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113861003.

It is not an unprimeable number, because it can be changed into a prime (113861203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35858 + ... + 38903.

It is an arithmetic number, because the mean of its divisors is an integer number (28484322).

Almost surely, 2^113861003 is an apocalyptic number.

113861003 is a deficient number, since it is larger than the sum of its proper divisors (76285).

113861003 is an equidigital number, since it uses as much as digits as its factorization.

113861003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76284.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 113861003 is about 10670.5671358180. The cubic root of 113861003 is about 484.6836112708.

The spelling of 113861003 in words is "one hundred thirteen million, eight hundred sixty-one thousand, three".