117840106 has 4 divisors (see below), whose sum is σ = 176760162. Its totient is φ = 58920052.

The previous prime is 117840091. The next prime is 117840119. The reversal of 117840106 is 601048711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601048711 = 43 ⋅13977877.

It can be written as a sum of positive squares in only one way, i.e., 99820081 + 18020025 = 9991^2 + 4245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29460025 + ... + 29460028.

Almost surely, 2^117840106 is an apocalyptic number.

117840106 is a deficient number, since it is larger than the sum of its proper divisors (58920056).

117840106 is an equidigital number, since it uses as much as digits as its factorization.

117840106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58920055.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 117840106 is about 10855.4182784451. The cubic root of 117840106 is about 490.2651709252.

Adding to 117840106 its reverse (601048711), we get a palindrome (718888817).

The spelling of 117840106 in words is "one hundred seventeen million, eight hundred forty thousand, one hundred six".