118409801 has 4 divisors (see below), whose sum is σ = 122229504. Its totient is φ = 114590100.

The previous prime is 118409789. The next prime is 118409803. The reversal of 118409801 is 108904811.

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.

It is a cyclic number.

It is not a de Polignac number, because 118409801 - 2⁶ = 118409737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118409803) 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, 1909805 + ... + 1909866.

It is an arithmetic number, because the mean of its divisors is an integer number (30557376).

Almost surely, 2^118409801 is an apocalyptic number.

It is an amenable number.

118409801 is a deficient number, since it is larger than the sum of its proper divisors (3819703).

118409801 is an equidigital number, since it uses as much as digits as its factorization.

118409801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819702.

The product of its (nonzero) digits is 2304, while the sum is 32.

The square root of 118409801 is about 10881.6267625755. The cubic root of 118409801 is about 491.0539593346.

The spelling of 118409801 in words is "one hundred eighteen million, four hundred nine thousand, eight hundred one".