118535401 has 4 divisors (see below), whose sum is σ = 120771972. Its totient is φ = 116298832.

The previous prime is 118535381. The next prime is 118535479. The reversal of 118535401 is 104535811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104535811 = 271 ⋅385741.

It can be written as a sum of positive squares in 2 ways, for example, as 41990400 + 76545001 = 6480^2 + 8749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118535401 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 118535401.

It is not an unprimeable number, because it can be changed into a prime (118535701) 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, 1118206 + ... + 1118311.

It is an arithmetic number, because the mean of its divisors is an integer number (30192993).

Almost surely, 2^118535401 is an apocalyptic number.

It is an amenable number.

118535401 is a deficient number, since it is larger than the sum of its proper divisors (2236571).

118535401 is an equidigital number, since it uses as much as digits as its factorization.

118535401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236570.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 118535401 is about 10887.3964288989. The cubic root of 118535401 is about 491.2275220589.

The spelling of 118535401 in words is "one hundred eighteen million, five hundred thirty-five thousand, four hundred one".