117801245 has 32 divisors (see below), whose sum is σ = 154897920. Its totient is φ = 85662720.

The previous prime is 117801227. The next prime is 117801251. The reversal of 117801245 is 542108711.

It is not a de Polignac number, because 117801245 - 2⁶ = 117801181 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 355730 + ... + 356060.

It is an arithmetic number, because the mean of its divisors is an integer number (4840560).

Almost surely, 2^117801245 is an apocalyptic number.

It is an amenable number.

117801245 is a deficient number, since it is larger than the sum of its proper divisors (37096675).

117801245 is a wasteful number, since it uses less digits than its factorization.

117801245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 117801245 is about 10853.6281952166. The cubic root of 117801245 is about 490.2112722140.

Adding to 117801245 its reverse (542108711), we get a palindrome (659909956).

The spelling of 117801245 in words is "one hundred seventeen million, eight hundred one thousand, two hundred forty-five".