117540201 has 16 divisors (see below), whose sum is σ = 160183296. Its totient is φ = 76647696.

The previous prime is 117540197. The next prime is 117540209. The reversal of 117540201 is 102045711.

It is a happy number.

It is not a de Polignac number, because 117540201 - 2² = 117540197 is a prime.

It is a super-2 number, since 2×117540201² = 27631397702240802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117540209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23356 + ... + 27938.

It is an arithmetic number, because the mean of its divisors is an integer number (10011456).

Almost surely, 2^117540201 is an apocalyptic number.

It is an amenable number.

117540201 is a deficient number, since it is larger than the sum of its proper divisors (42643095).

117540201 is a wasteful number, since it uses less digits than its factorization.

117540201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 117540201 is about 10841.5958696126. The cubic root of 117540201 is about 489.8489066285.

Adding to 117540201 its reverse (102045711), we get a palindrome (219585912).

The spelling of 117540201 in words is "one hundred seventeen million, five hundred forty thousand, two hundred one".