113432001 has 16 divisors (see below), whose sum is σ = 154121088. Its totient is φ = 74188800.

The previous prime is 113431991. The next prime is 113432003. The reversal of 113432001 is 100234311.

It is not a de Polignac number, because 113432001 - 2⁹ = 113431489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113432003) 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 15 ways as a sum of consecutive naturals, for example, 116820 + ... + 117786.

It is an arithmetic number, because the mean of its divisors is an integer number (9632568).

Almost surely, 2^113432001 is an apocalyptic number.

It is an amenable number.

113432001 is a deficient number, since it is larger than the sum of its proper divisors (40689087).

113432001 is an equidigital number, since it uses as much as digits as its factorization.

113432001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 113432001 is about 10650.4460469973. The cubic root of 113432001 is about 484.0741197987.

Adding to 113432001 its reverse (100234311), we get a palindrome (213666312).

The spelling of 113432001 in words is "one hundred thirteen million, four hundred thirty-two thousand, one".