113687501 has 4 divisors (see below), whose sum is σ = 116106432. Its totient is φ = 111268572.

The previous prime is 113687477. The next prime is 113687503. The reversal of 113687501 is 105786311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105786311 = 1409 ⋅75079.

It is a cyclic number.

It is not a de Polignac number, because 113687501 - 2⁶ = 113687437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113687503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209395 + ... + 1209488.

It is an arithmetic number, because the mean of its divisors is an integer number (29026608).

Almost surely, 2^113687501 is an apocalyptic number.

It is an amenable number.

113687501 is a deficient number, since it is larger than the sum of its proper divisors (2418931).

113687501 is an equidigital number, since it uses as much as digits as its factorization.

113687501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418930.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 113687501 is about 10662.4341029617. The cubic root of 113687501 is about 484.4372982986.

The spelling of 113687501 in words is "one hundred thirteen million, six hundred eighty-seven thousand, five hundred one".