118640201 has 4 divisors (see below), whose sum is σ = 118677504. Its totient is φ = 118602900.

The previous prime is 118640153. The next prime is 118640213. The reversal of 118640201 is 102046811.

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: 102046811 = 251 ⋅406561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118640201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118640231) 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, 13385 + ... + 20406.

It is an arithmetic number, because the mean of its divisors is an integer number (29669376).

Almost surely, 2^118640201 is an apocalyptic number.

It is an amenable number.

118640201 is a deficient number, since it is larger than the sum of its proper divisors (37303).

118640201 is an equidigital number, since it uses as much as digits as its factorization.

118640201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37302.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 118640201 is about 10892.2082701351. The cubic root of 118640201 is about 491.3722481058.

The spelling of 118640201 in words is "one hundred eighteen million, six hundred forty thousand, two hundred one".