113129603 has 4 divisors (see below), whose sum is σ = 115760568. Its totient is φ = 110498640.

The previous prime is 113129593. The next prime is 113129623. The reversal of 113129603 is 306921311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306921311 = 463 ⋅662897.

It is a cyclic number.

It is not a de Polignac number, because 113129603 - 2⁶ = 113129539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113129623) 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, 1315418 + ... + 1315503.

It is an arithmetic number, because the mean of its divisors is an integer number (28940142).

Almost surely, 2^113129603 is an apocalyptic number.

113129603 is a deficient number, since it is larger than the sum of its proper divisors (2630965).

113129603 is an equidigital number, since it uses as much as digits as its factorization.

113129603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630964.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 113129603 is about 10636.2400781479. The cubic root of 113129603 is about 483.6435731038.

The spelling of 113129603 in words is "one hundred thirteen million, one hundred twenty-nine thousand, six hundred three".