117043245 has 64 divisors (see below), whose sum is σ = 228614400. Its totient is φ = 56344320.

The previous prime is 117043237. The next prime is 117043261. The reversal of 117043245 is 542340711.

It is not a de Polignac number, because 117043245 - 2³ = 117043237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 399319 + ... + 399611.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 2^117043245 is an apocalyptic number.

117043245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

117043245 is a deficient number, since it is larger than the sum of its proper divisors (111571155).

117043245 is a wasteful number, since it uses less digits than its factorization.

117043245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 117043245 is about 10818.6526425429. The cubic root of 117043245 is about 489.1575765267.

Adding to 117043245 its reverse (542340711), we get a palindrome (659383956).

The spelling of 117043245 in words is "one hundred seventeen million, forty-three thousand, two hundred forty-five".